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Basic Information
CAS No.: 2626-34-8
Name: 5,6-DIMETHYL-2,1,3-BENZOSELENADIAZOLE
Article Data: 6
Molecular Structure:
Molecular Structure of 2626-34-8 (5,6-DIMETHYL-2,1,3-BENZOSELENADIAZOLE)
Formula: C8H8 N2 Se
Molecular Weight: 211.125
Synonyms: 5,6-Dimethyl-2,1,3-benzoselenadiazole;NSC 84202
Density: g/cm3
Melting Point: 143-144 °C
Boiling Point: 291.4°Cat760mmHg
Flash Point: 130°C
Safety: Poison by intravenous route. When heated to decomposition it emits toxic fumes of NOx and Se.
PSA: 25.78000
LogP: 1.30360
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Chemistry

IUPAC Name: 5,6-dimethyl-2,1,3-benzoselenadiazole 
Empirical Formula: C8H8N2Se
Molecular Weight: 211.1225g/mol
Structure of 5,6-Dimethyl-2,1,3-benzoselenodiazole (CAS NO.2626-34-8):

Flash Point: 130 °C
Enthalpy of Vaporization: 50.95 kJ/mol
Boiling Point: 291.4 °C at 760 mmHg
Vapour Pressure: 0.00342 mmHg at 25°C 
Canonical SMILES: CC1=CC2=N[Se]N=C2C=C1C
InChI: InChI=1S/C8H8N2Se/c1-5-3-7-8(4-6(5)2)10-11-9-7/h3-4H,1-2H3
InChIKey: JXAGKGMQYSONPB-UHFFFAOYSA-N

Toxicity Data With Reference

1.    

ivn-mus LD50:56 mg/kg

     CSLNX*    U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#02249 .

Safety Profile

Poison by intravenous route. When heated to decomposition it emits toxic fumes of NOx and Se.

Standards and Recommendations

OSHA PEL: TWA 0.2 mg(Se)/m3
ACGIH TLV: TWA 0.2 mg(Se)/m3

Specification

  5,6-Dimethyl-2,1,3-benzoselenodiazole , its cas register number is 2626-34-8. It also can be called BRN 1072761 ; NSC 84202 . When 5,6-Dimethyl-2,1,3-benzoselenodiazole (CAS NO.2626-34-8) is heated to decomposition, it emits toxic fumes of NOx and Se.