Purity : >98.0%(T)(HPLC)

CAS No.: 583-39-1
EC No.: 209-502-6
EC Name: 1,3-dihydrobenzimidazole-2-thione
ECHA Name: Benzimidazole-2-thiol


Enquire For Best Price

For all our chemicals TDS, MSDS and CoA are available upon request

SKU: 2-Mercaptobenzimidazole ; 583-39-1 ; 1,3-dihydrobenzimidazole-2-thione ; 209-502-6 ; Benzimidazole-2-thiol ; 100.008.640 Category:
Purity / Analysis Method >98.0%(T)(HPLC)
Molecular Formula / Molecular Weight C7H6N2S = 150.20
Physical State (20 deg.C) Solid
CAS RN 583-39-1
PubChem Substance ID 87563259
Merck Index (14) 1082
MDL Number MFCD00466107

Specification & Properties

Appearance White to Almost white powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(Neutralization titration) min. 98.0 %
Melting Point 304 deg.C
Boiling Point 451 deg.C
Maximum Absorption Wavelength 306(EtOH) nm
Solubility in water Practically insoluble
Solubility (soluble in) Ethanol,Methanol
Solubility (slightly sol. in) Acetone
Solubility (very slightly) Toluene,Benzene,Chloroform

Safety & Regulations

Safety Information:
Chemical Safety Chemical SafetyChemical SafetyChemical Safety
Signal Word Danger
Hazard Statements H301 : Toxic if swallowed.
H320 : Causes eye irritation.
H373 : May cause damage to organs through prolonged or repeated exposure.
H317 : May cause an allergic skin reaction.
H412 : Harmful to aquatic life with long lasting effects.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P273 : Avoid release to the environment.
P272 : Contaminated work clothing should not be allowed out of the workplace.
P260 : Do not breathe dust/ fume/ gas/ mist/ vapors/ spray.
P270 : Do not eat, drink or smoke when using this product.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P314 : Get medical advice/ attention if you feel unwell.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P333 + P313 : If skin irritation or rash occurs: Get medical advice/ attention.
P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth.
P405 : Store locked up.
Related Laws:
RTECS# DE1050000
Transport Information:
UN Number UN2811
Class 6.1
Packing Group III
Hazard Classification:

According to the classification provided by companies to ECHA in REACH registrations this substance
is toxic if swallowed,
may damage fertility or the unborn child,
may cause damage to organs through prolonged or repeated exposure,
is harmful to aquatic life with long lasting effects,
causes serious eye irritation,
may cause an allergic skin reaction and
causes skin irritation.

Scroll to Top