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ChemicalBook > Product Catalogue >Organic Chemistry >Carboxylic acids and derivatives >Carboxylic Acid Anhydrides >Acetic anhydride

Acetic anhydride

Acetic anhydride Structure
  • ₹0
  • Product name: Acetic anhydride
  • CAS: 108-24-7
  • MF: C4 H6 O3
  • MW: 102.09
  • EINECS:203-564-8
  • MDL Number:MFCD00008705
  • Synonyms:Cap A (acetic anhydride 10% in THF/lutidine 8 : 1);ACETICACIDPHENYL-METHYLESTER;Acetic anhydride, ACS, 97+%;Cap A (acetic anhydride 12% in acetonitrile),Acetic anhydride solution;Cap A (acetic anhydride 10% in THF),Acetic anhydride solution;Cap A (acetic anhydride 10% in THF/pyridine 8 : 1),Acetic anhydride solution;ACETIC ANHYDRIDE/2,6-LUTIDINE/THF FOR ABI;Acetic anhydride, extra pure
Properties Safety Information Description
Manufacturer Product number Product description Packaging Price Updated Buy

Properties

Melting point :-73.1 °C
Boiling point :140 °C
Density :1.087
vapor density :3.5 (vs air)
vapor pressure :10 mm Hg ( 36 °C)
refractive index :n20/D 1.390(lit.)
Flash point :130 °F
storage temp. :Store at RT.
solubility :Miscible with ether, chloroform and benzene.
form :Liquid
color :Colorless
Specific Gravity :1.082
PH :3 (10g/l, H2O, 20°C)
Odor :Very strong; pungent; vinegar-like characteristic odor.
explosive limit :2.0-10.2%(V)
Odor Type :acidic
Water Solubility :REACTS
Sensitive :Moisture Sensitive
Merck :14,56
BRN :385737
Dielectric constant :20.0
Exposure limits :NIOSH REL: ceiling 5 ppm (20 mg/m3), IDLH 200 ppm; OSHA PEL: 5 ppm; ACGIH TLV: ceiling 5 ppm.
Stability :Stability Flammable. Incompatible with strong oxidizing agents, water, strong bases, alcohols.
LogP :-0.58 at 20℃
CAS DataBase Reference :108-24-7(CAS DataBase Reference)
NIST Chemistry Reference :Acetic acid anhydride(108-24-7)
EPA Substance Registry System :Acetic anhydride (108-24-7)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H226 Flammable liquid and vapour Flammable liquids Category 3 Warning
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning GHS hazard pictograms P264, P270, P301+P312, P330, P501
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger GHS hazard pictograms P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger GHS hazard pictograms P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
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.

Description

Acetic anhydride (chemical formula: (CH3CO)2O) is the simplest isolable anhydride of a carboxylic acid, is widely used as a reagent in organic synthesis. It has an internal asymmetric structure, leading to its potent electrophilicity. In organic chemistry, it is mainly used in acetylation for the manufacture of commercially significant materials, e.g. it can be used for the conversion of cellulose to cellulose acetate and aspirin. It can also be used as a wood preservative. In starch industry, it is a common acetylation compound for acetylation of monoglyceride. It is also an esterification agent for the production of modified starches. It is produced by carbonylation of methyl acetate or the reaction between ketene and acetic acid.

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Suppliers and manufacturers

Yurui (Shanghai) Chemical Co., Ltd.