Benzyl chloroformate manufacturers and suppliers

Benzyl chloroformate suppliers

Properties

Melting point:: -20 °C

Boiling point:: 103 °C20 mm Hg(lit.)

Density: 1.212 g/mL at 20 °C

vapor density: 1 (vs air)

vapor pressure: 1.39 psi ( 20 °C)

refractive index: n20/D 1.519(lit.)

Flash point:: 197 °F

storage temp.: Store at +2°C to +8°C.

solubility: Miscible with ether, acetone and benzene.

form: Solution

color: slightly yellow to slightly pink

Odor: Irritating; sharp, penetrating.

Water Solubility: decomposes

Sensitive: Moisture Sensitive

Merck: 14,1801

Exposure limits: ACGIH: TWA 1 ppm
OSHA: TWA 1 ppm(5 mg/m3)
NIOSH: IDLH 10 ppm; Ceiling 1 ppm(5 mg/m3)

Stability:: Stable. Incompatible with water, oxidizing agents. Combustible.

CAS DataBase Reference: 501-53-1(CAS DataBase Reference)

NIST Chemistry Reference: Benzyl chloroformate(501-53-1)

EPA Substance Registry System: Carbonochloridic acid, phenylmethyl ester (501-53-1)

Safety Information

Symbol(GHS): GHS05,GHS07,GHS08,GHS09

Signal word: Danger

Hazard statements: H314-H335-H350-H410

Precautionary statements: P201-P261-P273-P280-P305+P351+P338-P310

Hazard Codes: T,C,N,F

Risk Statements: 45-20-34-48/22-50/53-67-65-63-48/20-11-43-37-23

Safety Statements: 53-26-36/37/39-45-60-61-62-46-36/37

RIDADR: UN 2924 3/PG 2

WGK Germany: 3

RTECS: LQ5860000

F: 19

Autoignition Temperature: 590 °C

TSCA: Yes

HS Code: 2915 90 70

HazardClass: 8

PackingGroup: I

Hazardous Substances Data: 501-53-1(Hazardous Substances Data)

Toxicity: LD50 orally in Rabbit: 3000 mg/kg

Excepted Quantities: Not Permitted as Excepted Quantity

Use

Benzyl chloroformate decomposes slowly in water forming benzyl alcohol, HCl, and CO2. Gives off HCl fumes in moist air. Reacts with bases, both organic and inorganic. Attacks many metals especially in humid atmosphere [Handling Chemicals Safely 1980. p. 476]. Catalytic impurity incidents involving the iron catalyzed decomposition of benzoyl chloroformate have caused several explosions. The iron presumably comes from corrosion of steel storage tanks [Loss Prev. Bull., 1975, (003), 2]. May react vigorously or explosively if mixed with diisopropyl ether or other ethers in the presence of trace amounts of metal salts [J. Haz. Mat., 1981, 4, 291].

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