Styrene oxide manufacturers and suppliers

Styrene oxide suppliers

Properties

Melting point:: -37 °C (lit.)

Boiling point:: 194 °C (lit.)

Density: 1.054 g/mL at 25 °C (lit.)

vapor density: 4.14 (vs air)

vapor pressure: <1 mm Hg ( 20 °C)

refractive index: n20/D 1.535(lit.)

Flash point:: 175 °F

storage temp.: Store below +30°C.

solubility: 3g/l

form: Liquid

color: Clear colorless to slightly yellow

biological source: synthetic

explosive limit: 1.1-22%(V)

Water Solubility: 3 g/L (20 ºC)

BRN: 108582

Stability:: Stability Unstable - polymerises readily with compounds possessing a labile hydrogen (such as acids and alcohols) in the presence of acids, bases or some salts. Combustible. Incompatible with strong oxidizing agents, acids, bases. Moisture sensitive.

Major Application: flavors and fragrances

InChI: 1S/C8H8O/c1-2-4-7(5-3-1)8-6-9-8/h1-5,8H,6H2

InChIKey: AWMVMTVKBNGEAK-UHFFFAOYSA-N

SMILES: C1OC1c2ccccc2

LogP: 1.61

CAS DataBase Reference: 96-09-3(CAS DataBase Reference)

IARC: 2A (Vol. Sup 7, 60, 121) 2019

NIST Chemistry Reference: Oxirane, phenyl-(96-09-3)

EPA Substance Registry System: Styrene oxide (96-09-3)

Safety Information

Symbol(GHS): GHS06,GHS08

Signal word: Danger

Hazard statements: H312-H315-H317-H319-H331-H340-H350

Precautionary statements: P201-P280-P302+P352+P312-P304+P340+P311-P305+P351+P338-P308+P313

PPE: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Hazard Codes: T

Risk Statements: 45-21-36-43-36/38-20/21-46

Safety Statements: 53-45-36/37-26

RIDADR: UN 2810 6.1/PG 3

WGK Germany: 3

RTECS: CZ9625000

Autoignition Temperature: 928 °F

TSCA: TSCA listed

HazardClass: 6.1

PackingGroup: III

HS Code: 29109000

Storage Class: 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects

Hazard Classifications: Acute Tox. 3 Inhalation
Acute Tox. 4 Dermal
Carc. 1B
Eye Irrit. 2
Muta. 1B
Skin Irrit. 2
Skin Sens. 1

Hazardous Substances Data: 96-09-3(Hazardous Substances Data)

Limited Quantities: 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)

Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)

Use

Styrene oxide is a mild to moderate skin irri-tant. Irritation from 500 mg was moderateon rabbit skin. The toxicity of this com-pound was low on test animals. Inhalationof 500 ppm in 4 hours was lethal to rats. Anin vivo and in vitro study in mice (Helmanet al. 1986) indicates acute dermal toxicity,causing sublethal cell injury.LD50 value, oral (mice): 1500 mg/kgStyrene oxide, however, may present aconsiderable health hazard as a mutagen,teratogen, and carcinogen. The reproduc-tive effects from inhalation observed in ratswere fetotoxicity, developmental abnormal-ities, and effects on fertility (Sikov et al.1986). There is sufficient evidence of its car-cinogenicity in animals, producing liver, gas-trointestinal tract, and skin tumors. Gavageexposure caused cancer in the forestomach ofboth sexes of rats and mice (McConnell andSwenberg 1994). Its cancer-causing effectson humans are unknown.No exposure limit has been set for thiscompound. Its toxic and irritant effects inhumans are quite low.

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