2-HYDRAZONO-3-METHYL-2,3-DIHYDROBENZO[D]THIAZOLE

Modify Date: 2025-08-24 20:15:09

2-HYDRAZONO-3-METHYL-2,3-DIHYDROBENZO[D]THIAZOLE Structure
2-HYDRAZONO-3-METHYL-2,3-DIHYDROBENZO[D]THIAZOLE structure
Common Name 2-HYDRAZONO-3-METHYL-2,3-DIHYDROBENZO[D]THIAZOLE
CAS Number 1128-67-2 Molecular Weight 179.24200
Density 1.37g/cm3 Boiling Point 342.9ºC at 760 mmHg
Molecular Formula C8H9N3S Melting Point 276-278ºC (dec.)(lit.)
MSDS N/A Flash Point 161.2ºC

 Names

Name mbth indicator
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.37g/cm3
Boiling Point 342.9ºC at 760 mmHg
Melting Point 276-278ºC (dec.)(lit.)
Molecular Formula C8H9N3S
Molecular Weight 179.24200
Flash Point 161.2ºC
Exact Mass 179.05200
PSA 71.55000
LogP 1.71450
Vapour Pressure 7.31E-05mmHg at 25°C

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DL7160000
CHEMICAL NAME :
2-Benzothiazolone, 3-methyl-, hydrazone
CAS REGISTRY NUMBER :
1128-67-2
BEILSTEIN REFERENCE NO. :
0149612
LAST UPDATED :
199701
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C8-H9-N3-S
MOLECULAR WEIGHT :
179.26
WISWESSER LINE NOTATION :
T56 BNYSJ B1 CUNZ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
135 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - excitement
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 36,201,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
119 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Behavioral - excitement
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 36,201,1976 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5562 No. of Facilities: 28 (estimated) No. of Industries: 2 No. of Occupations: 3 No. of Employees: 448 (estimated) No. of Female Employees: 371 (estimated)

 Safety Information

Risk Phrases 25-36
Safety Phrases 45-36-26
RIDADR UN 2811
HS Code 2934200090

 Customs

HS Code 2934200090
Summary 2934200090. other compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

MFCD00066475
2-Hydrazono-3-methylbenzothiazoline
3-methylbenzothiazolin-2-one hydrazone
2-hydrazinylidene-3-methyl-2,3-dihydro-1,3-benzothiazole
2-Hydrazono-3-methyl-2,3-dihydrobenzo[d]thiazole
N-METHYLBENZOTHIAZOLONE HYDRAZONE
3-methyl-2-benzothiazolonhydrazone
MBTH
3-METHYLBENZOTHIAZOL-2-ONE HYDRAZONE
3-methyl-benzylthiazolinone-2-hydrazone
3-METHYL-2-BENZOTHIAZOLINE HYDRAZONE
2-Hydrazono-3-methyl-2,3-dihydrobenzothiazole
3-methyl-2-benzothiazolinone hydrazone
EINECS 214-440-8
3-Methyl-2-benzothiazolone hydrazone
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