2-Mercaptobenzothiazole
- CAS Number
- 149-30-4
- HSN Code
- 29342000
- Molecular Formula
- C7H5NS2
- Catalogue Number
- AL2924
- Purity
- ≥ 99%
- Molecular Weight
- 167.25 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
1,3-benzothiazole-2-thiol is 1,3-Benzothiazole substituted at the 2-position with a sulfanyl group. It has a role as a metabolite and a carcinogenic agent.
Also known as MBT, Benzothiazole-2-thiol.
- Catalogue No.
- AL2924
- CAS Number
- 149-30-4
- Molecular Formula
- C7H5NS2
- Molecular Weight
- 167.25 g/mol
- HSN Code
- 29342000
- Grade
- 99% AR
- Product Form
- Substance
Melting point: 180.2-181.7 °C; Flash point: 243 °C; Density: 1.42 g/cu cm at 20 °C; Solubility: In water at 25 °C, 51 mgL (pH 5), 118 mgL (pH 7), 900 mg/L (pH 9).
- Appearance
- Pale, yellow monoclinic needles or leaflets
- Shelf Life
- 2 years
- Packaging
- Available in: 25 gm plastic bottle, 100 gm plastic bottle, 500 gm plastic bottle
- Storage
- Store only in original container. Separated from acids and oxidizing materials. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing.
1.1 — Product identifier
- Chemical Name
- 2-Mercaptobenzothiazole
- Catalogue No.
- AL2924
- Product form
- Substance
- CAS Number
- 149-30-4
- EC Number
- 205-736-8
- Grade
- 99% AR
- EC Index Number
- 609-007-00-0
- Chemical Formula
- C7H5NS2
- HSN Code
- 29342000
- Synonyms
- MBT, Benzothiazole-2-thiol
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Rubber vulcanization accelerator and corrosion inhibitor.
- Uses advised against
- Not specified
1.3 — Details of the supplier of the safety data sheet
- Company identification
- Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 — Emergency Contact Details
- Phone / e-Mail
- Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Skin Sens. 1; Aquatic Acute 1; Aquatic Chronic 1
- Classification source
- ECHA C&L Inventory via PubChem CID 697993 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Irritant, Environmental Hazard
- Signal word
- Warning
- Hazard statements
- H317: May cause an allergic skin reaction; H400: Very toxic to aquatic life; H410: Very toxic to aquatic life with long lasting effects
- Precautionary statements
- P261, P272, P273, P280, P302+P352, P321, P333+P317, P362+P364, P391, P501
2.3 — Other hazards
- Other hazards
- May cause skin and eye irritation; avoid contact with skin and eyes.
3.1 — Substance
- Name
- 2-Mercaptobenzothiazole
- CAS No.
- 149-30-4
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If symptoms persist, seek medical attention.
- First-aid measures after skin contact
- IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water.
- First-aid measures after eye contact
- First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center.
- First-aid measures after ingestion
- Rinse mouth. Do not induce vomiting. Seek medical attention if symptoms occur.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Skin irritation, eye irritation, respiratory issues if inhaled.
4.3 — Indication of any immediate medical attention and special treatment needed
- General information
- Treat symptomatically. Show this safety data sheet to the treating physician.
5.1 — Extinguishing media
- Suitable extinguishing media
- Use water spray, alchohol-resistant foam, dry chemical or carbon dioxide.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- Dust explosion possible if in powder or granular form, mixed with air.
5.3 — Advice for firefighters
- Protection during firefighting
- Do not enter fire area without proper protective equipment, including respiratory protection.
6.1.1 — For non-emergency personnel
- Emergency procedures
- Contain spill and collect using inert material. Dispose of in accordance with local regulations.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Personal protection: face shield and particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered sealable containers. If appropriate, moisten first to prevent dusting.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Use gloves and protective clothing. Avoid inhalation and contact with skin and eyes.
- Hygiene measures
- Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 — Conditions for safe storage, including any incompatibilities
- Storage conditions
- Store only in original container. Separated from acids and oxidizing materials. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing.
8.2 — Exposure controls
- Hand protection
- Handle with gloves. Gloves must be inspected prior to use.
- Eye protection
- Face shield and safety glasses. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166 (EU).
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use appropriate respiratory protection if dust is generated.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- Pale yellow to cream
- Odour
- Disagreeable odor
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- 180.2-181.7 °C
- Freezing point
- Not applicable
- Boiling point
- Not specified
- Flash point
- 243 °C
- Auto-ignition temperature
- 628 °C
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- 2.25X10-8 mm Hg at 20 °C; <1.9X10-6 mm Hg at 25 °C
- Relative vapour density at 20°C
- Not specified
- Density
- 1.42 g/cu cm at 20 °C
- Solubility
- In water at 25 °C, 51 mgL (pH 5), 118 mgL (pH 7), 900 mg/L (pH 9)
- Log Pow
- 2.41
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not specified
10.1 — Reactivity
- Reactivity
- Stable under normal conditions. Avoid strong oxidizing agents.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- Decomposes on burning. This produces toxic and corrosive gases including carbon oxides, nitrogen oxides and sulfur oxides. Reacts with acids and oxidizing substances.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong oxidizing agents, strong acids.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- When heated to decomp it emits toxic oxides of sulfur and oxides of nitrogen.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Mice (Slc:ddY) male oral LD50 1558 (mgkg) suspension in 5% gum arabic solution/; LD50 Mice (Slc:ddY) male oral LD50 3148 (mgkg) suspension in olive oil/; LD50 rat route not given 3800 mg/kg bw
- Skin corrosion/irritation
- Not classified (based on available data)
- Serious eye damage/irritation
- Not classified (based on available data)
- Respiratory or skin sensitisation
- H317: May cause an allergic skin reaction
- Germ cell mutagenicity
- Not classified (based on available data)
- Carcinogenicity
- Not classified (based on available data)
- Specific target organ toxicity (single exposure)
- Not classified (based on available data)
- Specific target organ toxicity (repeated exposure)
- Not classified (based on available data)
12.1 — Toxicity
- Toxicity information
- Not specified
12.2 — Persistence - degradability
- Persistence - degradability
- Not specified
12.3 — Bioaccumulative potential
- Bioaccumulative potential
- Not specified
12.4 — Mobility in soil
- Mobility in soil
- Not specified
12.6 — Other adverse effects
- Environmental precautions
- Not specified
13.1 — Waste treatment methods
- Additional Info
- Dispose of contents/container in accordance with local, regional, national and international regulations.
14.1 — UN number
- UN-No. (ADR)
- 3077
- UN-No. (IMDG)
- 3077
- UN-No. (IATA)
- 3077
- UN-No. (ADN)
- 3077
- UN-No. (RID)
- 3077
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Environmentally hazardous substance, solid, n.o.s.
- Proper Shipping Name (IMDG)
- Environmentally hazardous substance, solid, n.o.s.
- Proper Shipping Name (IATA)
- Environmentally hazardous substance, solid, n.o.s.
- Proper Shipping Name (ADN)
- Environmentally hazardous substance, solid, n.o.s.
- Proper Shipping Name (RID)
- Environmentally hazardous substance, solid, n.o.s.
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 9
14.4 — Packing group
- Packing group (ADR)
- III
- Packing group (IMDG)
- III
- Packing group (IATA)
- III
- Packing group (ADN)
- III
- Packing group (RID)
- III
14.5 — Environmental hazards
- Dangerous for the environment
- Not specified
- Marine pollutant
- Not specified
- Other information
- No supplementary information available
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Primarily used as a vulcanization accelerator in rubber compounding, particularly in the tire industry. Additionally, it serves as a corrosion inhibitor in research and industrial applications.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL00976
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 167.25 g/mol
| Test | Standard | Observed |
|---|---|---|
| Description | Light yellow colored powder | Light yellow colored powder |
| Assay | Min. 99.0% | 99.51% |
| Melting point | 178 - 182°C | 180°C |
The above product complies with AR grade
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 99% AR | ≥ 99% | m.p. 180.2-181.7 °C | ≤ 0.5% | ≤ 0.1% | None detected | In water at 25 °C, 51 mgL (pH 5), 118 mgL (pH 7), 900 mg/L (pH 9) |
Related Products
View AllWhy buy from Alpha Chemika
What Our Scientific & Industrial Customers Say
“Speedy delivery, professional staff.”
“One shop stop for all laboratory chemicals requirements.”
“Exactly as advertised.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Completely satisfied with the products and services.”
“Speedy delivery, professional staff.”
“One shop stop for all laboratory chemicals requirements.”
“Exactly as advertised.”
“One shop stop for all laboratory chemicals requirements.”
“Exactly as advertised.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“Exactly as advertised.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Completely satisfied with the products and services.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Completely satisfied with the products and services.”
“Speedy delivery, professional staff.”
“Completely satisfied with the products and services.”
“Speedy delivery, professional staff.”
“One shop stop for all laboratory chemicals requirements.”
FAQs
Common Questions About Laboratory Chemicals & Solutions
Find answers to common questions about laboratory chemicals, product selection, documentation, ordering, and technical support. Whether you are sourcing chemicals for research, testing, education, manufacturing, or industrial applications, these FAQs can help you make informed purchasing decisions.
Alpha Chemika offers a wide range of laboratory chemicals, reagents, solvents, and specialty products for research, testing, educational, pharmaceutical, and industrial applications.
Product selection depends on factors such as application, required purity, grade, specifications, and intended use. Our team can help you identify suitable products based on your technical requirements.
Yes. Relevant product information and technical documentation can be provided to help you evaluate products for quality, handling, compliance, and application requirements.
Yes. You can share your product list, required quantities, specifications, and delivery requirements with our team for a tailored quotation.
Yes. We support requirements from research laboratories, educational institutions, pharmaceutical companies, manufacturers, distributors, and other scientific and industrial organizations.
Connect with Us for Your Requirements
Have a specific product requirement or need help finding the right chemical for your application? Share your requirements with our team, and we will help you identify suitable products, specifications, quantities, and procurement options.
