Basic information
- CAS
1128-67-2- Standard SMILES
Cn1c(=NN)sc2ccccc21- InChIKey
PHOLIFLKGONSGY-UHFFFAOYSA-N- Molecular formula
- C8H9N3S
- Average molar mass
- 179.24 g/mol
- Monoisotopic mass
- 179.05171829
Names & identifiers
- Preferred name
- 3-methylbenzothiazol-2(3H)-one hydrazone
- IUPAC
- (3-methyl-1,3-benzothiazol-2-ylidene)hydrazine
- English name
- MBTH INDICATOR
- Molecular formula
- C8H9N3S
- Molecular weight
- 179.24
Names & synonyms
3-Methylbenzothiazol-2(3H)-one hydrazoneRefChem:5041451128-67-2(3-methyl-1,3-benzothiazol-2-ylidene)hydrazineSawicki reagent2-hydrazinylidene-3-methyl-2,3-dihydro-1,3-benzothiazoleEINECS 214-440-83-methyl-1,3-benzothiazol-2-one hydrazone3-Methyl-2-benzothiazolone, hydrazoneBRN 0149612(Z)-(3-methyl-1,3-benzothiazol-2-ylidene)hydrazineNCIOpen2_003147
Show more names
MBTHMBTH INDICATORMbth indicator ,98%N-METHYLBENZOTHIAZOLONE HYDRAZONE3-methyl-2-benzothiazolonhydrazone3-methyl-2-benzothiazolonehydrazone2-Hydrazono-3-methylbenzothiazoline3-METHYL-2-BENZOTHIAZOLINE HYDRAZONE3-METHYLBENZOTHIAZOL-2-ONE HYDRAZONE3-Methyl-2-benzothiazolone hydrazone
4-27-00-02695 (Beilstein Handbook Reference)SCHEMBL566154(2E)-3-methyl-1,3-benzothiazol-2(3H)-one hydrazone hydrochloride(2Z)-2-hydrazinylidene-3-methyl-2,3-dihydro-1,3-benzothiazoleDTXSID4061541SCHEMBL294274843-methylbenzothiazolin-2-one hydrazoneAKOS030229029
Database identifiers
- CAS
1128-67-2- PubChem CID
- 14319
- DTXSID
DTXSID4061541- EC Number
- 214-440-8
Properties
Computed structural properties
- XLogP
- 1.9
- Topological polar surface area
- 66.9 Ų
- Hydrogen bond donors
- 1
- Hydrogen bond acceptors
- 3
- Rotatable bonds
- 0
- Heavy atoms
- 12
- Formal charge
- 0
- Complexity
- 204
Physicochemical properties
- Melting point
- 144 °C · 144°C
- Boiling point
- 342.9 · 342.9±25.0 °C(Predicted)
- Density
- 1.1939 · 1.1939 (rough estimate)
- refractive index
- 1.55 · 1.5500 (estimate)
- storage temp.
- 2 · 2-8°C
- pka
- 4.51 · 4.51±0.20(Predicted)
- form
- Liquid
- color
- Clear colorless
- EWG's Food Scores
- 1 · 1
- FDA UNII
- 2685 O88C · OZ2685O88C
- EPA Substance Registry System
- 2 · 2(3H)-Benzothiazolone, 3-methyl-, hydrazone (1128-67-2)
- Symbol(GHS)
- 7 · GHS07
- Signal word
- Warning
- Hazard statements
- 319 · H319-H335-H315
- Precautionary statements
- 264 · P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362
Safety & regulation
GHS classification
GHS Classification
Warning
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 38 reports by companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
Safety data
- tsca
- TSCA listed
- hs_code
- 29342000
- Toxicity
- mouse,LD50,intraperitoneal,119mg/kg (119mg/kg),BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLDBEHAVIORAL: EXCITEMENT,Toxicology and Applied Pharmacology. Vol. 36, Pg. 201, 1976.
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- Hazard statements
- H319-H335-H315
- Precautionary statements
- P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362
Chemistry & industry
Uses & manufacturing
General Manufacturing Information2(3H)-Benzothiazolone, 3-methyl-, hydrazone: ACTIVE
Suppliers55 total
湖南腾峪新材料有限公司1822-9738810 18229738810 · [email protected]
Hebei Chuanghai Biotechnology Co., Ltd+86-17732866630 · [email protected]
怀化元研达生物技术有限责任公司18711085600 · [email protected]
杭州品高化工有限公司0571-87658025 · [email protected]
南京林叶化学试剂有限公司13376084917 13376082704 · [email protected]
上海仲因实业有限公司2537653158 16621191650 · [email protected]
Syntechem Co.,Ltd[email protected]
江苏南创化学与生命健康研究院有限公司15720605021
湖北威德利化学试剂有限公司17771473825 13385289472 · [email protected]
广东元丰化学试剂有限公司0751-2829979 13318593351 · [email protected]
上海道鞅科技有限公司QQ:3150471267 13381681725 · [email protected]
上海瀚鸿科技股份有限公司021-54306202 13764082696 · [email protected]
Related reactions
2 records
Compound notes
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