styrene
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IUPAC name :ethenylbenzene
InChI :InChI=1/C8H8/c1-2-8-6-4-3-5-7-8/h2-7H,1H2
InChIKey :PPBRXRYQALVLMV-UHFFFAOYAB
SMILES :C=CC1=CC=CC=C1
cas number :100-42-5
(EINECS) number :202-851-5
eu annex :601-026-00-0
beilstein number :1071236
fema number :3233
coe number :11022
fl. number :01.015
molar refractivity :37.17 ± 0.3 cm3
parachor :272.2 ± 4.0 cm3
index of refraction :1.557 ± 0.02
surface tension :30.9 ± 3.0 dyne/cm
density :0.902 ± 0.06 g/cm3
polarizability :14.73 ± 0.5 10-24cm3
XlogP : 3.00
molecular weight : 104.1491200 (IUPAC)
formula :C8 H8
BioActivity Analysis :17389731
NMR Predictor :Predict
 
 
export tariff code :2902.50.0000
fda reg :172.515
173.20
173.25
175.105
175.300
175.320
175.380
175.390
176.170
176.180
177.1010
177.1020
177.1030
177.1040
177.1050
177.1210
177.1630
177.1640
177.1810
177.1820
177.1830
177.2260
177.2420
177.2420
177.2600
177.2710
177.2800
178.3790

Suppliers :
Penta :styrene monomer
Sigma-Aldrich-SAFC :Styrene solution
20 wt. % in dipropylene glycol
Sigma-Aldrich-SAFC :Styrene
≥99%
Odor:  medicinal

organoleptics :
odor type :balsamic
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :¹
at 0.10 % in triacetin.  
sweet balsam floral plastic
odor sample from :Sigma-Aldrich Inc.

properties :
appearence :colorless clear liquid
assay : 99.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.90900 @ 25.00 °C.
refractive index :1.54700 @ 20.00 °C.
melting point : -31.00 to -30.00 °C. @ 760.00 mm Hg
boiling point : 145.00 to 146.00 °C. @ 760.00 mm Hg
boiling point : 67.00 to 68.00 °C. @ 50.00 mm Hg
vapor pressure :6.40000 mm/Hg @ 25.00 °C.
vapor density :3.6 ( Air = 1 )
flash point : 90.00  °F.  TCC  ( 32.22 °C. )
logP (o/w) : 2.95

safety :
most important hazard(s) :Xn - Harmful.
  R 10 - Flammable.
R 20 - Harmful by inhalation.
R 36/38 - Irritating to skin and eyes.
S 02 - Keep out of the reach of children.
S 16 - Keep away from sources of ignition - No Smoking.
S 20/21 - When using do not eat, drink or smoke.
S 23 - Do not breath vapour.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
Oral Toxicity(LD50) :
  Oral-Rat    2650.00  mg/kg

Intraperitoneal-Rat    898.00  mg/kg

Oral-Mouse    316.00  mg/kg

intravenous-Mouse    90.00  mg/kg

Intraperitoneal-Mouse    660.00  mg/kg

Dermal Toxicity(LD50) :
  Not determined
Inhalation Toxicity(LC50) :
  Inhalation-Rat  12000.00  mg/m3/4H
  
Inhalation-Mouse  9500.00  mg/m3/4H
  
 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :0.85 (μg/capita/day)
modified Theoretical Added Maximum Daily Intake (mTAMDI) :590 (μg/person/day)
Threshold of concern :1800 (μg/person/day)
Structure Class :I
 
recommendation for styrene usage levels up to :
 not for fragrance use.
 
 
Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFFA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFFA, 2002i).
Note : mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm.
 average usage mg/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0) : 0.50000-
Fats and oils, and fat emulsions (type water-in-oil) (02.0) : 0.50000-
Edible ices, including sherbet and sorbet (03.0) : 0.500004.00000
Processed fruit (04.1) : --
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2) : --
Confectionery (05.0) : 0.500006.00000
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0) : --
Bakery wares (07.0) : 0.500008.50000
Meat and meat products, including poultry and game (08.0) : 0.100000.50000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0) : --
Eggs and egg products (10.0) : --
Sweeteners, including honey (11.0) : --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0) : --
Foodstuffs intended for particular nutritional uses (13.0) : --
Non-alcoholic ("soft") beverages, excl. dairy products (14.1) : 1.500003.00000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2) : 0.500006.00000
Ready-to-eat savouries (15.0) : 0.500000.50000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0) : --

safety references :
European Food Safety Athority(efsa) :Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
EPI System :view
EPA-Iris :IRIS
NIOSH International Chemical Safety Cards :search
NIOSH Pocket Guide :search
NLM Hazardous Substances Data Bank :search
Chemical Carcinogenesis Research Information System :Search
Cancer Citations :Search
Toxicology Citations :Search
Carcinogenic Potency Database :Search
EPA GENetic TOXicology :Search
Env. Mutagen Info. Center :Search
NLM Developmental and Reproductive Toxicity :Search
National Toxicology Program :Search
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
WISER :UN 2055
 
WGK Germany :2
 
 
 
 ethenylbenzene
(EINECS) number :202-851-5
RTECS :100-42-5
chemidplus :000100425
EPA/NOAA CAMEO :hazardous materials
EPA Substance Registry Services :100-42-5
dtp/nci :62785

references :
 ethenylbenzene
fl. number :01.015
NIST Chemistry WebBook :100425
pubchem :150575

Cosmetics :
Cosmetic uses : perfuming agents

other :
reference : Luebke, William tgsc, (1981)¹
CosIng :cosmetic data
VCF-Online: VCF Volatile Compounds in Food
Household Products : Search
synonyms :
 cinnamene
 ethenyl benzene
 ethenylbenzene
 phenyl ethene
 phenyl ethylene
 styrol
 styrolene
 vinyl benzene
 vinyl benzol

soluble in :
 alcohol
 water, 310 mg/L @ 25C

insoluble in :
 water

stability :
 non-discoloring in most media

(odor and/or flavor) used in :
 almond
 cherry
 plum
 styrax

natural occurrence in :
beer - up to 0.2 mg/kg
bilberry - 0.02 mg/kg
coffee - up to 0.36 mg/kg
currant black currant - 0.1 mg/kg
egg - up to 0.006 mg/kg
data pageosmanthus absolute @ trace%
styrax
data pagesugandha kokila berry oil @ 0.10%
wine - up to 0.011 mg/kg



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