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CAS
Purity
Category
Nickname
: 71-36-3
: 90.00%
: Alcohol Ether
size/weight :
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n-Butanol, chemical formula C4H10O, is a colorless and transparent liquid with wine taste, molecular weight 74.12. It is slightly soluble in water, but can be miscible with ethanol, ether and other organic solvents. n-Butanol is widely used in industrial production. It is an important raw material for the manufacture of plasticizers, coating solvents, and organic synthesis intermediates. It is also used in the production of butyl acrylate, butyl acetate and other chemicals. In addition, n-butanol can also be used as an extractant for oils, drugs and fragrances, as well as a solvent for organic dyes and printing inks. Its unique chemical properties and wide range of applications make n-butanol one of the indispensable raw materials in the chemical industry.
(1) n-Butanol is an important raw material for the manufacture of phthalic acid, aliphatic dibasic acid and phosphoric acid n-butyl ester plasticizers, which are widely used in various plastics and rubber products to improve their processing performance and flexibility.
(2) In the field of organic synthesis, n-butanol is the raw material for the production of butyraldehyde, butyric acid, butylamine and butyl lactate, which have important applications in the pharmaceutical, pesticide, dye and other industries.
(3) n-Butanol can also be used as an extractant for oils, drugs (such as antibiotics, hormones and vitamins) and spices, which can efficiently extract target components and improve product quality.
(4) n-Butanol is an additive of alkyd resin coatings, which can improve the performance of coatings, such as improving gloss, weather resistance and adhesion.
(5) As a solvent, n-butanol is widely used in organic dyes and printing inks. It can dissolve pigments and resins to ensure the uniformity and fluidity of the ink.
(6) n-Butanol can also be used as a dewaxing agent, which plays a key role in petroleum processing and lubricating oil production.
(7) n-Butanol is also used in the cosmetics industry, mainly as a co-solvent for nail polish and other products, which helps to dissolve pigments and adjust the volatilization rate and viscosity of solvents.
1. Packing: barreled, scattered water
2. Logistics: car transportation, shipping
3. Payment request: EXW/FOB/FCA/CFR only accepted
| Chinese name | n-butanol |
| English Name | 1-Butanol |
| Alias | Tyrosol Butanol Propionol n-Butanol Natural n -Butanol 1-Butanol, HPLC Grade |
| English alias | Butanol butanols Butanolo Butanolen Butanol-1 n-Butanol 1-Butanol butan-1-ol Butyl alcohol Normal Butanol Propylcarbinol n-butyl alcohol Butyric alcohol butanol(french) Butylowy alkohol Natural Butyl Alcohol alcoolbutylique(french) butylalcohol(non-specificname) |
| CAS | 71-36-3 35296- 72-1 |
| EINECS | 200-751-6 |
| Chemical formula | C4H10O |
| molecular weight | 74.12 |
| InChI | InChI=1/C4H10O/c1-2-3-4-5/h5H,2-4H2,1H3 |
| Density | 0.81 g/mL at 25°C (lit.) |
| melting point | -90°C (lit.) |
| boiling point | 116-118°C (lit.) |
| Flash Point | 95°F |
| water solubility | 80 g/L (20 °C) |
| Vapor pressure | 6.7 hPa (20 °C) |
| steam density | 2.55 (vs air) |
| JECFA Number | 85 |
| solubility | Water: soluble |
| refractive index | n20/D 1.399(lit.) |
| acidity coefficient | 15.24±0.10(Predicted) |
| PH value | 7 (70g/l, H2O, 20℃) |
| Storage conditions | Store at +5°C to +30°C. |
| Stability | stability. Incompatible with strong acids, strong oxidants, aluminum, acid chlorides, acid anhydrides, copper, copper alloys. Flammable. |
| Sensitivity | Moisture Sensitive |
| Appearance | Solid |
| Color | APHA: ≤10 |
| Smell | Alcohol-like; pungent; strong; characteristic; mildly alcoholic, non residual. |
| Maximum wavelength (λmax) | λ: 215 nm Amax: 1.00λ: 220 nm Amax: 0.50λ: 240 nm Amax: 0.10λ: 260 nm Amax: 0.04λ: 280-400 nm Amax: |
| Merck | 14,1540 |
| BRN | 969148 |
| explosion limit value | 1.4-11.3%(V) |
| Exposure Limits | TLV-TWA 300 mg/m3 (100 ppm) (NIOSH),150 mg/m3 (50 ppm) (ACGIH); IDLH 8000ppm (NIOSH). |
| physicochemical properties | colorless liquid, there is a smell of alcohol. The solubility in water at 20 ° C. is 7.7% by weight, and the solubility of water in n-butanol is 20.1% by weight. With ethanol, ether and other organic solvents miscible. |
| MDL No. | MFCD00002902 |
| Dangerous Goods Signs | Xn-Hazardous Materials T-Toxic Materials F-Flammable Materials |
| Risk Terms | R10-Flammable. , R22-Harmful if swallowed. R37/38- to the respiratory system and skin + B52. to R41-serious eye injury. -R67-Vapor may cause drowsiness and dizziness. R39/23/24/25 - R23/ 24/25-Toxic by inhalation, skin contact and swallowing. , R11-highly flammable. |
| Security terminology | S13-Keep away from food, beverages and animal feed. S26- After contact with eyes, rinse immediately with plenty of water and seek medical advice. S37 /39-Wear appropriate gloves and goggles or a mask. -S46-If swallowed, seek medical advice immediately and show the container or label. S7/9 -S45-In the event of an accident or feeling unwell, seek medical attention (if possible, show their label). , S36/37-Wear appropriate protective clothing and gloves. , S16-Keep away from ignition sources. -S7-Keep container sealed. |
| Dangerous Goods Transport Number | UN 1120 3/PG 3 |
| WGK Germany | 1 |
| RTECS | EO1400000 |
| TSCA | Yes |
| Customs number | 2905 13 00 |
| Hazard Class | 3 |
| Packing Group | III |
| Upstream raw materials | propylene amylase hydrogen sodium hydroxide |
| Downstream Products | Dibutyl Phosphite Dibutyl Adipate Ethyl Acetate Butyl Acetate 1-Bromobutane |
| References
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1. Wu Rong, Zhang Wei, Chen Luyao, Cao Jun, Su Erzheng. Extraction Optimization and Recovery of Salidroside and Tyrosol by DES [J]. Fine Chemicals, 2019,36(05):865-874.2. nan, Xingmei, et al. "Bioactive fraction of Rhod... |
n-Butanol, also known as butanol, is an organic compound that is a colorless liquid with a peculiar smell of alcohol. the following is related to the nature of butanol, use, preparation and safety information of the presentation:
properties: the
of 1. physical properties: is a colorless liquid.
2. chemical properties: can be dissolved in water and organic solvents, is a medium polar compounds. It can be oxidized to butyraldehyde and butyric acid, and it can also produce butene through dehydration reaction.
use:
1. industrial use: is an important solvent, in paint, ink, cleaning agent and other chemical industry has a wide range of applications. 2. Laboratory use:
can be used as induced spiral protein folding solvent, in biochemical experiments are often used for catalytic reaction.
preparation method:
of 1. butene hydrogenation: after hydrogenation reaction, butene and hydrogen in the catalyst (such as nickel catalyst) in the presence of n-butanol.
2. Dehydration reaction: butanol and strong acid (such as concentrated sulfuric acid) reaction, through the dehydration reaction to generate butene, and then the butene after hydrogenation reaction to obtain n-butanol.
safety information: 1. is a flammable liquid, avoid
with fire contact, away from fire and high temperature environment. 3. Has a certain degree of toxicity, avoid direct contact with skin and eyes, and avoid inhaling its vapor.
4. storage should be sealed preservation, away from oxidants and fire sources, room temperature storage.
Colorless transparent liquid. Has strong refraction. Soluble in ethanol, ether, hydrogen sulfide aqueous solution, slightly soluble in water. An azeotropic mixture consisting of 63% ethanol and 37% water with a constant boiling point of 92°C and a solubility of 9.1 mL/lOOmL( H2 O) in water at 25°C. Its vapor and air can form explosive mixtures. Burning and explosion caused by open fire and high heat energy. Contact with oxidizing agents will react violently.
The acetaldehyde added dilute alkali solution, under atmospheric pressure reaction to generate 2 hydroxy butyraldehyde, alkali neutralization, and then sulfuric acid, acetic acid and other acidic catalyst to decompose, namely crotonaldehyde; and then to nickel chromium as catalyst, in the presence of excess hydrogen, hydrogenation reaction, n-butanol.
This product is 1-butanol, can be by the carboxyl synthesis or acetaldehyde synthesis method, can also be used for fermentation.
The relative density (general 0612) at 25°C is 0. 807~0. 809.
The distillation range (general 0611) is 116~119°C, and the boiling distance is not more than 1 .5 C.
chromatographic analysis of standard substances. For the colorimetric determination of arsenic acid, separation of potassium, sodium, lithium, chlorate solvent.
The infrared absorption spectrum of this product should be consistent with that of the reference product (general 0402).
Rat oral LD50: 4360 mg/kg; Rabbit percutaneous LD50: 3400 mg/kg; Rat inhalation 4 hLC50: 24240mg/m3. Flammable. Its vapor is irritating to the eyes and skin. Staff should be well protected, if accidentally touched the skin and eyes, should be immediately washed with a large amount of flowing water. Store in a cool, ventilated warehouse. Keep away from fire and heat source. The warehouse temperature should not exceed 30 ℃. Prevent direct sunlight. Keep container sealed. Should be stored separately from the oxidizer.
Take this product 74ml, plus phenolphthalein indicator liquid 2 drops, the solution should be colorless, with ethanol potassium hydroxide titrant (0.02mol/L) titration to show pink within 1 5 seconds does not fade, consumption of ethanol potassium hydroxide titrant (0. 02mol/L) shall not exceed 2. 5ml.
Take this product 10. 0ml, add ammonia to make silver nitrate test solution 10ml, plug tightly, mix well, avoid light and stand for 30 minutes, the solution should not develop color.
Take 100ml of this product, place it in a 105X: constant weight evaporating dish, evaporate it in a water bath, dry it at 105V for 30 minutes, and the remaining residue shall not exceed 4mg.
According to gas chromatography (general 0521).
a capillary column with polyethylene glycol -20M as stationary liquid (or similar polarity), the column temperature is 751, the inlet temperature is 26 (T C, and the detector temperature is 280*0. Take the equal volume mixed solution of dibutyl ether, 2-butyl vine, isobutanol and n-butanol as the system suitability solution, take M 1, inject it into the gas chromatograph, record the chromatogram, and the resolution of each peak should meet the requirements.
Take 1M1 of this product, inject it into the gas chromatograph, and record the chromatogram. According to the area normalization method, the content of dibutyl ether shall not exceed 0. 2%, and the sum of the impurity peak areas shall not be greater than 0. 5% of the total peak area. Moisture shall not exceed 0. 1% (General 0832, Law 1, Law 2).
Take this product 74ml, plus phenolphthalein indicator liquid 2 drops, the solution should be colorless, with ethanol potassium hydroxide titrant (0.02mol/L) titration to show pink within 1 5 seconds does not fade, consumption of ethanol potassium hydroxide titrant (0. 02mol/L) shall not exceed 2. 5ml.
Take this product 10. 0ml, add ammonia to make silver nitrate test solution 10ml, plug tightly, mix well, avoid light and stand for 30 minutes, the solution should not develop color.
Take 100ml of this product, place it in a 105X: constant weight evaporating dish, evaporate it in a water bath, dry it at 105V for 30 minutes, and the remaining residue shall not exceed 4mg.
According to gas chromatography (general rules 0521).
a capillary column with polyethylene glycol -20M as stationary liquid (or similar polarity), the column temperature is 751, the inlet temperature is 26 (T C, and the detector temperature is 280*0. Take the equal volume mixed solution of dibutyl ether, 2-butyl vine, isobutanol and n-butanol as the system suitability solution, take M 1, inject it into the gas chromatograph, record the chromatogram, and the resolution of each peak should meet the requirements.
Take 1M1 of this product, inject it into the gas chromatograph, and record the chromatogram. According to the area normalization method, the content of dibutyl ether shall not exceed 0. 2%, and the sum of the impurity peak areas shall not be greater than 0. 5% of the total peak area. Moisture shall not exceed 0. 1% (General 0832, Law 1, Law 2).
Pharmaceutical excipients, solvents and defoamers, etc.
Closed, stored away from fire and heat in the cool dark place.
Have Doubts Regarding This Product ?
Carbon oxides
Wear self-contained breathing apparatus for firefighting if necessary.
Use water spray to cool unopened containers.
Use personal protective equipment. Avoid breathing vapors, mist or gas. Ensure adequate ventilation. Remove all sources of ignition. Evacuate personnel to safe areas. Beware of vapors accumulating to form explosive concentrations. Vapors can accumulate in low areas.
For personal protection see section 8.
Prevent further leakage or spillage if safe to do so. Do not let product enter drains.
Contain spillage, and then collect with non-combustible absorbent material, (e.g. sand, earth, diatomaceous earth, vermiculite) and place in container for disposal according to local / national regulations (see section 13).
For disposal see section 13.
Avoid contact with skin and eyes. Avoid inhalation of vapor or mist.
Keep away from sources of ignition - No smoking.Take measures to prevent the build up of electrostatic charge.
Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday.
For precautions see section 2.2.
Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Store in cool place.
Apart from the uses mentioned in section 1.2 no other specific uses are stipulated
Tightly fitting safety goggles. Faceshield (8-inch minimum). Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands.
The selected protective gloves have to satisfy the specifications of Regulation (EU) 2016/425 and the standard EN 374 derived from it.
Full contact
Material: Nitrile rubber
Minimum layer thickness: 0,4 mm Break through time: 480 min
Material tested:Camatril? (KCL 730 / Aldrich Z677442, Size M)
Splash contact Material: Nitrile rubber
Minimum layer thickness: 0,2 mm Break through time: 58 min
Material tested:Dermatril? P (KCL 743 / Aldrich Z677388, Size M)
data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 87300, e-mail sales@kcl.de, test method: EN374
If used in solution, or mixed with other substances, and under conditions which differ from EN 374, contact the supplier of the EC approved gloves. This recommendation is advisory only and must be evaluated by an industrial hygienist and safety officer familiar with the specific situation of anticipated use by our customers. It should not be construed as offering an approval for any specific use scenario.
Complete suit protecting against chemicals, Flame retardant antistatic protective clothing., The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace.
Where risk assessment shows air-purifying respirators are appropriate use a full- face respirator with multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges as a backup to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air respirator. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).
Prevent further leakage or spillage if safe to do so. Do not let product enter drains.
Surface tension 69,9 mN/m at 1g/l at 20 °C
- OECD Test Guideline 115
Relative vapor density
2,56 at 20 °C - (Air = 1.0)
No data available
Stable under recommended storage conditions.
No data available
Heat, flames and sparks.
Oxidizing agents, Alkali metals, Bases, Strong acids, Halogens
In the event of fire: see section 5
(OECD Test Guideline 203)
static test EC50 - Daphnia magna (Water flea) - 1.328 mg/l - 48 h (OECD Test Guideline 202)
(OECD Test Guideline 201)
Biodegradability aerobic - Exposure time 20 d
Result: 92 % - Readily biodegradable. Remarks: (ECHA)
Ratio BOD/ThBOD 33 %
Remarks: (IUCLID)
Bioaccumulation Oncorhynchus mykiss (rainbow trout) - 24 h
- 921 mg/l(n-butanol)
Bioconcentration factor (BCF): 0,38
No data available
This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
No data available
Offer surplus and non-recyclable solutions to a licensed disposal company. Waste material
must be disposed of in accordance with the Directive on waste 2008/98/EC as well as other national and local regulations. Leave chemicals in original containers. No mixing with other waste. Handle uncleaned containers like the product itself.
IncompatibilitiesButyl alcohols may form explosive mixture with air. In all cases they are Incompatible with oxidizers.Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. Attacks some plastics, rubber and coatings.
Waste DisposalIncineration, or bury absorbed waste in an approved land fill.
Dispose of as unused product.
ADR/RID: 3 IMDG: 3 IATA: 3
ADR/RID: III IMDG: III IATA: III
ADR/RID: no IMDG Marine pollutant: no IATA: no
No data available
【1】CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple
【2】ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp
【3】ECHA - European Chemicals Agency, website: https://echa.europa.eu/
【4】eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website: http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en
【5】ERG - Emergency Response Guidebook by U.S. Department of Transportation, website: http://www.phmsa.dot.gov/hazmat/library/erg
【6】Germany GESTIS-database on hazard substance, website: http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp
【7】HSDB - Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm
【8】IARC - International Agency for Research on Cancer, website: http://www.iarc.fr/
【9】IPCS - The International Chemical Safety Cards (ICSC), website: http://www.ilo.org/dyn/icsc/showcard.home
【10】Sigma-Aldrich, website: https://www.sigmaaldrich.com/
The information in this MSDS is only applicable to the specified product, unless otherwise specified, it is not applicable to the mixture of this product and other substances. This MSDS only provides information on the safety of the product for those who have received the appropriate professional training for the user of the product. Users of this MSDS must make independent judgments on the applicability of this SDS. The authors of this MSDS will not be held responsible for any harm caused by the use of this MSDS.
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