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149-30-4

Name 2-Mercaptobenzothiazole
CAS 149-30-4
EINECS(EC#) 205-736-8
Molecular Formula C7H5NS2
MDL Number MFCD00005781
Molecular Weight 167.25
MOL File 149-30-4.mol

Chemical Properties

Appearance beige or light yellow powder with a faint odour
Melting point  177-181 °C(lit.)
Boiling point  223°C (rough estimate)
density  1.42
vapor pressure  <0.000003 hPa (25 °C)
refractive index  1.6100 (estimate)
Fp  243 °C
storage temp.  Store below +30°C.
solubility  0.12g/l
form  Powder
pka 9.80±0.20(Predicted)
color  Yellow
Odor Odorless
PH 7 (0.12g/l, H2O, 25℃)
Stability: Stable. Incompatible with strong oxidizing agents. Flammable.
explosive limit 15%(V)
Water Solubility  <0.1 g/100 mL at 19 ºC
Sensitive  Air Sensitive
λmax 325nm(MeOH)(lit.)
Merck  14,5868
BRN  119484
Contact allergens
MBT is a rubber chemical, accelerant of vulcanization, and contained in “mercapto-mix.” The most frequent occupational categories are the metal industry, homemakers, health services and laboratories, the building industry, and shoemakers. It is also used as a corrosion inhibitor in cutting fluids or in releasing fluids in thepottery industry
InChIKey YXIWHUQXZSMYRE-UHFFFAOYSA-N
LogP 2.86
CAS DataBase Reference 149-30-4(CAS DataBase Reference)
IARC 2A (Vol. 115) 2018
NIST Chemistry Reference 2-Mercaptobenzothiazole(149-30-4)
EPA Substance Registry System 149-30-4(EPA Substance)

Safety Data

Hazard Codes  Xi,N
Risk Statements 
R43:May cause sensitization by skin contact.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S24:Avoid contact with skin .
S37:Wear suitable gloves .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR  UN 3077 9/PG 3
WGK Germany  2
RTECS  DL6475000
9-13-23
Autoignition Temperature 465 °C
TSCA  Yes
HazardClass  9
PackingGroup  III
HS Code  29342020
Hazardous Substances Data 149-30-4(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 1680 mg/kg LD50 dermal Rabbit > 7940 mg/kg

Hazard Information

Material Safety Data Sheet(MSDS)

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