40018-26-6

Name p-Dithiane-2,5-diol
CAS 40018-26-6
EINECS(EC#) 254-751-6
Molecular Formula C4H8O2S2
MDL Number MFCD00006659
Molecular Weight 152.24
MOL File 40018-26-6.mol
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Chemical Properties

Appearance white to yellowish crystalline powder
Melting point  130 °C (dec.) (lit.)
Boiling point  244.73°C (rough estimate)
density  1.224 (estimate)
vapor pressure  0Pa at 25℃
FEMA  3826
refractive index  1.5200 (estimate)
storage temp.  2-8°C
solubility  H2O: 0.39% at 20 °C
form  Crystalline Powder
pka 12.04±0.40(Predicted)
color  White to yellow
Odor at 0.10 % in propylene glycol. sulfury meaty toasted bread broth egg tomato
PH 4.9 (3.9g/l, H2O)
biological source synthetic
Odor Type sulfurous
Water Solubility  3.9 g/L (20 ºC)
JECFA Number 550
BRN  104402
Major Application flavors and fragrances
InChI 1S/C4H8O2S2/c5-3-1-7-4(6)2-8-3/h3-6H,1-2H2
InChIKey YUIOPHXTILULQC-UHFFFAOYSA-N
SMILES OC1CSC(O)CS1
LogP -0.276 at 22.8℃ and pH6.3
CAS DataBase Reference 40018-26-6(CAS DataBase Reference)
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Safety Data

Symbol(GHS)  Skull and Crossbones (GHS06)Health Hazard (GHS08)Environment (GHS09)
GHS06,GHS08,GHS09
Signal word  Danger
Hazard statements  H301-H317-H330-H373-H410
Precautionary statements  P260-P273-P280-P302+P352-P304+P340+P310-P314
Hazard Codes  Xn,Xi
Risk Statements 
R22:Harmful if swallowed.
R41:Risk of serious damage to eyes.
R43:May cause sensitization by skin contact.
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S37/39:Wear suitable gloves and eye/face protection .
S24:Avoid contact with skin .
S36:Wear suitable protective clothing .
RIDADR  UN2811
WGK Germany  2
F  1-8-10-13
REACH Registrations Active
HazardClass  6.1
PackingGroup  III
HS Code  29349990
Storage Class 6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials
Hazard Classifications Acute Tox. 2 Inhalation
Acute Tox. 3 Oral
Aquatic Acute 1
Aquatic Chronic 1
Skin Sens. 1A
STOT RE 2

Raw materials And Preparation Products

Hazard Information

Material Safety Data Sheet(MSDS)

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