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Butyric anhydride

Butyric anhydride
Butyric anhydride structure
CAS No.
106-31-0
Chemical Name:
Butyric anhydride
Synonyms
butyric;Butyrloxide;Butyranhydrid;BUTYRYL OXIDE;butric anhydride;butyricanhydriden;AKOS BBS-00004317;BUTYRIC ANHYDRIDE;butylic anhydride;BUTANOIC ANHYDRIDE
CBNumber:
CB1693281
Molecular Formula:
C8H14O3
Formula Weight:
158.19
MOL File:
106-31-0.mol

Butyric anhydride Properties

Melting point:
−75-−66 °C(lit.)
Boiling point:
198-199 °C(lit.)
Density 
0.967 g/mL at 25 °C(lit.)
vapor density 
5.45 (vs air)
vapor pressure 
10 mm Hg ( 79.5 °C)
refractive index 
n20/D 1.413(lit.)
Flash point:
190 °F
storage temp. 
Store below +30°C.
solubility 
alcohol: soluble (with decomposition)(lit.)
form 
Liquid
color 
Clear colorless to light yellow
explosive limit
1.1%, 104°F
Water Solubility 
Decomposes
Sensitive 
Moisture Sensitive
Merck 
14,1594
BRN 
1099474
InChIKey
YHASWHZGWUONAO-UHFFFAOYSA-N
CAS DataBase Reference
106-31-0(CAS DataBase Reference)
NIST Chemistry Reference
Butanoic acid, anhydride(106-31-0)
EPA Substance Registry System
Butanoic acid, anhydride(106-31-0)
SAFETY
  • Risk and Safety Statements
Symbol(GHS) 
GHS05
Signal word  Danger
Hazard statements  H227-H290-H318-H314
Precautionary statements  P309-P310a-P280-P305+P351+P338-P310-P210-P234-P260-P264-P301+P330+P331+P310-P303+P361+P353+P310+P363-P304+P340+P310-P305+P351+P338+P310-P370+P378-P390-P403+P235-P405-P406-P501
Hazard Codes  C
Risk Statements  14-34
Safety Statements  26-36/37/39-45
RIDADR  UN 2739 8/PG 3
WGK Germany  1
RTECS  ET7090000
13
Autoignition Temperature 535 °F
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  29159000
Toxicity LD50 orally in Rabbit: 8790 mg/kg LD50 dermal Rabbit 6400 mg/kg

NFPA 704

Diamond Hazard Value Description
2
3 1
Health   3 Short exposure could cause serious temporary or moderate residual injury (e.g. liquid hydrogen, sulfuric acid, calcium hypochlorite, hexafluorosilicic acid)
Flammability   2 Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur and multiple finely divided suspended solids that do not require heating before ignition can occur. Flash point between 37.8 and 93.3 °C (100 and 200 °F). (e.g. diesel fuel, sulfur)
Instability   1 Normally stable, but can become unstable at elevated temperatures and pressures (e.g. propene)
Special  

(NFPA, 2010)

Butyric anhydride price More Price(15)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 19270 Butyric anhydride purum, ≥97.0% (NT) 106-31-0 250ml $36.6 2018-11-13 Buy
Sigma-Aldrich 19270 Butyric anhydride purum, ≥97.0% (NT) 106-31-0 1l $50.8 2018-11-13 Buy
TCI Chemical B0766 Butyric Anhydride >98.0%(T) 106-31-0 25mL $25 2018-11-22 Buy
TCI Chemical B0766 Butyric Anhydride >98.0%(T) 106-31-0 500mL $68 2018-11-22 Buy
Alfa Aesar A12377 Butyric anhydride, 98% 106-31-0 100ml $14.1 2018-11-13 Buy

Butyric anhydride Chemical Properties,Uses,Production

Description

Butyric anhydride, or Butanoic anhydride, is a chemical compound with the formula (CH3CH2CH2CO)2O.It is a colorless liquid that smells strongly of butyric acid, formed by its reaction with the moisture in the air.

Chemical Properties

clear liquid

Uses

Manufacture of butyrates, drugs, and tanning agents.

Application

Because of its odor, butyric anhydride has use as a fumigant to drive bees from their hives in products such as Bee - Go.

General Description

Water-white liquid with an odor of rancid butter. Flash point 190°F. Density 8.0 lb / gal. Corrosive to metals and tissue. Low toxicity.

Air & Water Reactions

Slowly reacts with water to form butyric acid.

Reactivity Profile

Butyric anhydride reacts exothermically with water. The reaction is usually slow, but might become violent if local heating accelerates their rate. Acids accelerate the reaction with water. Incompatible with acids, strong oxidizing agents, alcohols, amines, and bases.

Health Hazard

TOXIC; inhalation, ingestion or contact (skin, eyes) with vapors, dusts or substance may cause severe injury, burns or death. Contact with molten substance may cause severe burns to skin and eyes. Reaction with water or moist air will release toxic, corrosive or flammable gases. Reaction with water may generate much heat that will increase the concentration of fumes in the air. Fire will produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.

Fire Hazard

Combustible material: may burn but does not ignite readily. Substance will react with water (some violently) releasing flammable, toxic or corrosive gases and runoff. When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapors may travel to source of ignition and flash back. Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated or if contaminated with water.

Safety Profile

Mildly toxic by ingestion. A corrosive liquid. When heated to decomposition it emits acrid smoke and irritating vapors.

Safety

Butyric anhydride is a combustible, corrosive liquid. It is considered water sensitive.

Purification Methods

Dry the anhydride by shaking it with P2O5, then distilling it. [Beilstein 2 IV 802.]

Butyric anhydride Preparation Products And Raw materials

Raw materials

Preparation Products


Butyric anhydride Suppliers

Global( 127)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
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Butyric anhydride Spectrum


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