Propionic anhydride manufacturers and suppliers

Propionic anhydride suppliers

Properties

Melting point:: -42 °C

Boiling point:: 167 °C(lit.)

Density: 1.015 g/mL at 25 °C(lit.)

vapor density: 4.5 (vs air)

vapor pressure: 10 mm Hg ( 57.7 °C)

refractive index: n20/D 1.404(lit.)

Flash point:: 165 °F

storage temp.: Store below +30°C.

solubility: H2O: decomposes (when in contact with water)

form: clear liquid

color: Colorless to Almost colorless

Odor: like acetaldehyde

PH: 2.5 (100g/l, H2O, 20℃)(calculated on the free acid)

explosive limit: 1.3-9.5%(V)

Water Solubility: hydrolyses

Sensitive: Moisture Sensitive

Merck: 14,7826

BRN: 507066

Dielectric constant: 18.0（16℃）

Stability:: Stable. Combustible. Incompatible with strong oxidizing agents, water, moisture, most common metals, active halogen compounds, ammonia, amines.

LogP: 0.33 at 20℃

CAS DataBase Reference: 123-62-6(CAS DataBase Reference)

NIST Chemistry Reference: Propanoic acid, anhydride(123-62-6)

EPA Substance Registry System: Propionic anhydride (123-62-6)

Safety Information

Symbol(GHS): GHS05

Signal word: Danger

Hazard statements: H314

Precautionary statements: P280-P301+P330+P331-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363

Hazard Codes: C

Risk Statements: 34-R34

Safety Statements: 26-45-S45-S26

RIDADR: UN 2496 8/PG 3

WGK Germany: 1

RTECS: UF9100000

Autoignition Temperature: 545 °F

Hazard Note: Corrosive/Moisture Sensitive

TSCA: Yes

HS Code: 2915 90 70

HazardClass: 8

PackingGroup: III

Hazardous Substances Data: 123-62-6(Hazardous Substances Data)

Toxicity: LD50 orally in rats: 2.36 g/kg (Smyth)

Use

Propionic anhydride is used as a esterifying agent for certain perfume oils, fats, oils, and especially cellulose and as a reagent in organic synthesis. In the production of alkyd resins, dyestuffs and drugs. Has been used as a dehydrating agent in some sulfonations and nitrations.

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