butyric acid

China: mainland

Packaging: N/A

Delivery: 15 Days

English name: butyric acid

Chinese alias: n-butyric acid, a natural acid, butyric acid

English Name: n-butyric acid; natural butyric acid; butanoic acid; alpha-butanoic acid

CAS No.: 107-92-6

EINECS: 203-532-3

InChI: 1 / C4H8O2 / c1-2-3-4 (5) 6 / h2-3H2,1H3, (H, 5,6) [1]

Molecular formula: C4H8O2

Molecular Weight: 88.11

Melting point (℃): - 7.9

Boiling point (℃): 163.5

Relative density (water = 1): 0.96

Vapor Density (Air = 1): 3.04

Saturated vapor pressure (kPa): 0.10 (25 ℃)

Heat of combustion (kJ / mol): 2181.4

The critical temperature (℃): 355

Critical pressure (MPa): 5.27

Flash point (℃): 71.7

Ignition temperature (℃): 452

The upper limit of explosion% (V / V): 10.0

Lower explosive limit% (V / V): 2.0

Appearance: colorless oily liquid with a pungent and unpleasant odor.

Solubility: miscible with water, soluble in alcohol, ether.

The main purposes: as extraction agent, decalcification, synthetic esters, also for the Preparation of spices, fungicides and emulsifiers.

Health hazards:

high concentrations of first contact, can cause skin, eye or mucous membrane irritation moderate damage.

Environmental hazards:

hazard to the environment, can cause pollution of water bodies.

Explosion risk:

It can burn, corrosive, irritant, can cause the body burns.

Preparation and Production:

Industrial production methods have agricultural fermentation, oxidation of n-butanol and n-butyraldehyde fermentation.

Agricultural fermentation using sucrose or starch fermentation, depending on the product too low, a large amount of post-processing has been replaced by synthetic methods. Starting from the oxidation of n-butanol, wherein the intermediate product is n-butyraldehyde, with the widespread use of propylene-Oxo process of industrialization, this method has not been adopted. Direct use of n-butyraldehyde butyric acid oxidation process route has a simple, easy production control, a single, high product yield varieties of raw materials and so on. The lab also were prepared by concentrated nitric acid oxidation method, namely n-amyl alcohol as raw materials, with concentrated nitric acid oxidation.

The world's annual production of n-butyric acid was about three tons, mainly concentrated in a few large companies in Central Europe and the United States; domestic butyric acid users are mainly distributed in the Yangtze River Delta, Pearl River Delta and Tianjin and other places, there have been more than a dozen domestic production manufacturers butyric acid, but the scale is very small, poor quality, only about 98% purity, unable to compete with foreign products. Simply can not meet the demand for pharmaceuticals and other industries butyric acid. Before 2000, the domestic high-purity n-butyric acid essential to rely on imports.

Country: China (Mainland)
Business Type:
Market:
Founded Year:2010
Address:No.496,Zhongshan Road, Wuhan, Hubei, China
Contact:Cassie Lee

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