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tert-Butanol

tert-Butanol
tert-Butanol
CAS No.
75-65-0
Chemical Name:
tert-Butanol
Synonyms
TBA;tBu-OH;HP-TBA;arconol;BUTANOL;tButanol;t-Butanol;FEMA 2178;N-BUTONOL;74.12g/mol
CBNumber:
CB5206388
Molecular Formula:
C4H10O
Formula Weight:
74.12
MOL File:
75-65-0.mol

tert-Butanol Properties

Melting point:
23-26 °C(lit.)
Boiling point:
83 °C(lit.)
Density 
0.81 g/mL at 25 °C(lit.)
vapor density 
2.55 (vs air)
vapor pressure 
31 mm Hg ( 20 °C)
refractive index 
n20/D 1.399(lit.)
Flash point:
95 °F
storage temp. 
2-8°C
solubility 
water: miscible
pka
19(at 25℃)
form 
Liquid After Melting
color 
APHA: ≤20
Relative polarity
0.389
explosive limit
2.3-8.0%(V)
Water Solubility 
soluble
Merck 
14,1542
BRN 
906698
Stability:
Stable. Very flammable. Incompatible with strong oxidizing agents, copper, copper alloys, alkali metals, aluminium.
CAS DataBase Reference
75-65-0(CAS DataBase Reference)
NIST Chemistry Reference
Ethanol, 1,1-dimethyl-(75-65-0)
EPA Substance Registry System
2-Propanol, 2-methyl-(75-65-0)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xn,F,T
Risk Statements  11-20-39/23/24/25-23/24/25-36/37
Safety Statements  9-16-45-36/37-7-46-26
RIDADR  UN 1120 3/PG 3
WGK Germany  1
RTECS  EO1925000
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29051410
Hazardous Substances Data 75-65-0(Hazardous Substances Data)
Toxicity LD50 orally in rats: 3.5 g/kg (Schaffarzick, Brown)
Symbol(GHS):
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, P501
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501
H361 Suspected of damaging fertility or the unborn child Reproductive toxicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H370 Causes damage to organs Specific target organ toxicity, single exposure Category 1 Danger P260, P264, P270, P307+P311, P321,P405, P501
Precautionary statements:
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and understood.
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P311 Call a POISON CENTER or doctor/physician.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P370+P378 In case of fire: Use … for extinction.
P405 Store locked up.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P403+P235 Store in a well-ventilated place. Keep cool.
P501 Dispose of contents/container to..…

tert-Butanol price More Price(56)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 1.09629 tert-Butanol 75-65-0 1EA $68.5 2017-11-08 Buy
Sigma-Aldrich 1.09629 tert-Butanol 75-65-0 2EA $402 2017-11-08 Buy
TCI Chemical B0706 tert-Butyl Alcohol >99.0%(GC) 75-65-0 25mL $15 2017-11-08 Buy
TCI Chemical B0706 tert-Butyl Alcohol >99.0%(GC) 75-65-0 500mL $20 2017-11-08 Buy
Alfa Aesar 033278 tert-Butyl alcohol, ACS, 99+% 75-65-0 1L $49.5 2018-11-16 Buy

tert-Butanol Chemical Properties,Uses,Production

Chemical Properties

Butyl alcohol, also known as butanol, exists in three isomeric alcohols that are toxic and soluble in most organic liquids. n-butyl alcohol, CH3(CH2)2CH20H, also known as l-butanol, propyl carbinol, and prim-butyl alcohol, is a colorless liquid. It is used in manufacturing perfumes and lacquers. sec-butyl alcohol, CH3CH2CHOHCH3, also known as 2-butanol, ethyl-methyl carbinol, butylene hydrate, and 2-hydroxy butane, is a colorless liquid. It is used in the preparation of fruit essence. tert-butyl alcohol, (CH3)3COH, also known as 2-methyl 2-propanol and trimethyl carbinol, is a colorless liquid.

Uses

Denaturant for ethanol, manufacturing flotation agents, flavors, perfumes; as solvent; in paint removers. Octane booster in gasoline.

General Description

Colorless oily liquid with a sharp alcohol odor. Floats and mixes with water. Produces irritating vapor. Freezing point is 78°F.

Air & Water Reactions

Highly flammable. Water soluble.

Reactivity Profile

Attacks plastics. [Handling Chemicals Safely 1980. p. 236]. Acetyl bromide reacts violently with alcohols or water [Merck 11th ed. 1989]. Mixtures of alcohols with concentrated sulfuric acid and strong hydrogen peroxide can cause explosions. Example: an explosion will occur if dimethylbenzylcarbinol is added to 90% hydrogen peroxide then acidified with concentrated sulfuric acid. Mixtures of ethyl alcohol with concentrated hydrogen peroxide form powerful explosives. Mixtures of hydrogen peroxide and 1-phenylm-2-methyl propyl alcohol tend to explode if acidified with 70% sulfuric acid [Chem. Eng. News 45(43):73 1967; J, Org. Chem. 28:1893 1963]. Alkyl hypochlorites are violently explosive. They are readily obtained by reacting hypochlorous acid and alcohols either in aqueous solution or mixed aqueous-carbon tetrachloride solutions. Chlorine plus alcohols would similarly yield alkyl hypochlorites. They decompose in the cold and explode on exposure to sunlight or heat. Tertiary hypochlorites are less unstable than secondary or primary hypochlorites [NFPA 491 M 1991]. Base-catalysed reactions of isocyanates with alcohols should be carried out in inert solvents. Such reactions in the absence of solvents often occur with explosive violence [Wischmeyer 1969].

Health Hazard

Vapor is narcotic in action and irritating to respiratory passages. Liquid is irritating to skin and eyes.

Purification Methods

It is synthesised commercially by the hydration of 2-methylpropene in dilute H2SO4. Dry it with CaO, K2CO3, CaSO4 or MgSO4, filter and fractionally distil it. Dry further by refluxing with, and distilling from, either magnesium activated with iodine, or small amounts of calcium, sodium or potassium, under nitrogen. Passage through a column of type 4A molecular sieve is another effective method of drying; as well as refluxing with tert-butyl phthalate or succinate. (For method see Ethanol.) Other methods include refluxing with excess aluminium tert-butylate, or standing with CaH2, and distilling as needed. Further purification is achieved by fractional crystallisation by partial freezing, taking care to exclude moisture. tert-Butyl alcohol samples containing much water can be dried by adding *benzene, so that the water distils off as a tertiary azeotrope, b 67.3o. Traces of isobutylene have been removed from dry tert-butyl alcohol by bubbling dry pre-purified nitrogen through for several hours at 40-50o before using. It forms azeotropic mixtures with a large number of compounds. It has also been purified by distillation from CaH2 into Linde 4A molecular sieves which had been activated at 350o for 24hours [Jaeger et al. J Am Chem Soc 101 717 1979]. [Beilstein 1 IV 1609.] Rapid purification: Dry tert-butanol over CaH2 (5% w/v), distil and store it over 3A molecular sieves.

tert-Butanol Preparation Products And Raw materials

Raw materials

Preparation Products


tert-Butanol Suppliers

Global( 304)Suppliers
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View Lastest Price from tert-Butanol manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-08-06 tert-Butanol
75-65-0
US $10.00 / KG 1KG 99% 5MT per month -

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