tetrahydrothiophene
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IUPAC name :thiolane
InChI :InChI=1/C4H8S/c1-2-4-5-3-1/h1-4H2
InChIKey :RAOIDOHSFRTOEL-UHFFFAOYAY
SMILES :C1CCSC1
cas number :110-01-0
(EINECS) number :203-728-9
eu annex :613-087-00-0
beilstein number :0102392
fl. number :15.102
molar refractivity :26.60 ± 0.3 cm3
parachor :215.7 ± 4.0 cm3
index of refraction :1.515 ± 0.02
surface tension :35.7 ± 3.0 dyne/cm
density :0.999 ± 0.06 g/cm3
polarizability :10.54 ± 0.5 10-24cm3
XlogP : 1.70
molecular weight : 88.1713200 (IUPAC)
formula :C4 H8 S
NMR Predictor :Predict
 
 
export tariff code :2934.90.5000
fda reg :unspecified

Suppliers :
Sigma-Aldrich-Aldrich :Tetrahydrothiophene
99%

organoleptics :
odor strength :high ,
recommend smelling in a 0.01 % solution or less
odor description :
at 0.01 % in propylene glycol.  
cabbage

properties :
appearence :pale yellow clear liquid
assay : 95.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.99500 to 1.00100 @ 25.00 °C.
pounds per gallon - calc. : 8.279 to 8.329
refractive index :1.49900 to 1.50500 @ 20.00 °C.
boiling point : 118.00 to 121.00 °C. @ 760.00 mm Hg
vapor pressure :18.40000 mm/Hg @ 25.00 °C.
vapor density :3.04 ( Air = 1 )
flash point : 55.00  °F.  TCC  ( 12.78 °C. )
logP (o/w) : 1.79

safety :
most important hazard(s) :Xn N - Harmful, Dangerous for the environment.
  R 11 - Highly flammable.
R 20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
R 36/38 - Irritating to skin and eyes.
R 52/53 - Harmful to qauatic organisms, may cause long-term adverse effects in the aquatic environment.
S 01/02 - Keep locked up and out of the reach of children.
S 16 - Keep away from sources of ignition - No Smoking.
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.
S 61 - Avoid release to the environment. Refer to special instructions/safety data sheet.
Oral Toxicity(LD50) :
  Gavage-Rat   [sex: M,F (5/sex/group)]  M:2000.00 F:1750.00  mg/kg
(Auletta & Daly, 1985)

Oral-Rat    1200.00 (100 % survival rate), 3000.00 (100 % fatality rate)  mg/kg
(Dow Chemical Company, 1992a)

Dermal Toxicity(LD50) :
  Not determined
Inhalation Toxicity(LC50) :
  Inhalation-Mouse  27.00  gm/m3/2hours
  
 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :0.024 (μg/capita/day)
modified Theoretical Added Maximum Daily Intake (mTAMDI) :78 (μg/person/day)
Threshold of concern :540 (μg/person/day)
Structure Class :II
 
recommendation for tetrahydrothiophene 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) : 0.200001.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0) : 0.100000.50000
Edible ices, including sherbet and sorbet (03.0) : 0.200001.00000
Processed fruit (04.1) : 0.200001.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2) : --
Confectionery (05.0) : 0.200001.00000
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0) : 0.100000.50000
Bakery wares (07.0) : 0.200001.00000
Meat and meat products, including poultry and game (08.0) : 0.100000.20000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0) : 0.100000.20000
Eggs and egg products (10.0) : --
Sweeteners, including honey (11.0) : --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0) : 0.100000.50000
Foodstuffs intended for particular nutritional uses (13.0) : 0.200001.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1) : 0.100000.30000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2) : 0.200001.00000
Ready-to-eat savouries (15.0) : 0.400002.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0) : 0.100000.50000

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
NIOSH International Chemical Safety Cards :search
NLM Hazardous Substances Data Bank :search
Cancer Citations :Search
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
WISER :UN 2412
 
WGK Germany :3
 
 
 
 thiolane
(EINECS) number :203-728-9
RTECS :110-01-0
chemidplus :000110010
EPA/NOAA CAMEO :hazardous materials
EPA Substance Registry Services :110-01-0

references :
 thiolane
fl. number :15.102
NIST Chemistry WebBook :3971211815
pubchem :151145

other :
synonyms :
 tetramethylene sulfide
 thiacyclopentane
 thiolane
 thiophane

soluble in :
 alcohol
 water, 3730 mg/L @ 25C

insoluble in :
 water

natural occurrence in :
not found in nature



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