Chemical Safety Data Sheet MSDS / SDS
Sodium mercaptobenzothiazole
Revision Date:2026-03-21Revision Number:1
Product identifier
- Product name: Sodium mercaptobenzothiazole
- CBnumber: CB9277117
- CAS: 2492-26-4
- EINECS Number: 219-660-8
- Synonyms: SODIUM MERCAPTOBENZOTHIAZOLE;MBT·Na
Relevant identified uses of the substance or mixture and uses advised against
- Relevant identified uses: For R&D use only. Not for medicinal, household or other use.
- Uses advised against: none
Company Identification
- Company: Chemicalbook
- Address: Building 1, Huihuang International, Shangdi 10th Street, Haidian District, Beijing
- Telephone: 010-86108875
GHS Label elements, including precautionary statements
-
Symbol(GHS)
- Signal wordWarning
P501 Dispose of contents/container to..…
P405 Store locked up.
P312 Call a POISON CENTER or doctor/physician if you feel unwell.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P271 Use only outdoors or in a well-ventilated area.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P362 Take off contaminated clothing and wash before reuse.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P264 Wash skin thouroughly after handling.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P321 Specific treatment (see … on this label).
P302+P352 IF ON SKIN: wash with plenty of soap and water.
Hazard statements
H315 Causes skin irritation
H335 May cause respiratory irritation
Substance
- Product name: Sodium mercaptobenzothiazole
- Synonyms: SODIUM MERCAPTOBENZOTHIAZOLE;MBT·Na
- CAS: 2492-26-4
- EC number: 219-660-8
- MF: C7H4NNaS2
- MW: 190.24
First Aid Measures
General adviceIf symptoms persist, call a physician. Do not breathe dust/fume/gas/mist/vapors/spray. Do not get in eyes, on skin, or on clothing.
Eye contact
Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Keep eye wide open while rinsing. If symptoms persist, call a physician.
Skin Contact
Consult a physician if necessary. Wash off immediately with soap and plenty of water while removing all contaminated clothes and shoes.
Inhalation
Remove to fresh air Call a physician If breathing is irregular or stopped, administer artificial respiration Avoid direct contact with skin. Use barrier to give mouth-to-mouth resuscitation
Ingestion
Rinse mouth. Drink plenty of water. If symptoms persist, call a physician. Do NOT induce vomiting.
Self-protection of the first aider
Use personal protective equipment as required.
Most important symptoms and effects, both acute and delayed
SymptomsNo information available.
Indication of any immediate medical attention and special treatment needed
Note to physiciansTreat symptomatically.
Suitable Extinguishing Media
Suitable Extinguishing MediaUse extinguishing measures that are appropriate to local circumstances and the surrounding environment.
Unsuitable Extinguishing Media
None.
Specific hazards arising from the chemical
Specific hazards arising from the chemicalNo information available.
Hazardous combustion products
Hydrogen sulfide. Carbon oxides. Nitrogen oxides (NOx).
Explosion data
Sensitivity to Mechanical ImpactNo information available.
Sensitivity to Static Discharge
No information available.
Protective equipment and precautions for firefighters
Protective equipment and precautions for firefightersAs in any fire, wear self contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and full protective gear.
NFPA 704
2
0
0
| HEALTH | 2 | Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury (e.g. diethyl ether, ammonium phosphate, iodine) | |
| FIRE | 0 | Materials that will not burn under typical fire conditions, including intrinsically noncombustible materials such as concrete, stone, and sand. Materials that will not burn in air when exposed to a temperature of 820 °C (1,500 °F) for a period of 5 minutes.(e.g. Carbon tetrachloride) | |
| REACT | 0 | Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2) | |
| SPEC. HAZ. |
Personal precautions, protective equipment and emergency procedures
Personal precautionsEnsure adequate ventilation, especially in confined areas.
Environmental precautions
Environmental precautionsPrevent entry into waterways, sewers, basements or confined areas. Do not flush into surface water or sanitary sewer system. See Section 12 for additional Ecological
Information.
Information.
Methods and material for containment and cleaning up
Methods for containmentPrevent further leakage or spillage if safe to do so.
Methods for cleaning up
Use personal protective equipment as required. Cover powder spill with plastic sheet or tarp to minimize spreading and keep powder dry. Take up mechanically, placing in appropriate containers for disposal. Avoid creating dust. Clean contaminated surface thoroughly.
Precautions for safe handling
Advice on safe handlingAvoid contact with skin, eyes or clothing. Use personal protective equipment as required.
Wash contaminated clothing before reuse. Do not breathe dust/fume/gas/mist/vapors/spray.
Do not eat, drink or smoke when using this product.
Wash contaminated clothing before reuse. Do not breathe dust/fume/gas/mist/vapors/spray.
Do not eat, drink or smoke when using this product.
Conditions for safe storage, including any incompatibilities
Storage ConditionsKeep container tightly closed in a dry and well-ventilated place. Keep out of the reach of children. Store at room temperature.
Incompatible materials
None known based on information supplied.
Control parameters
Exposure GuidelinesThis product, as supplied, does not contain any hazardous materials with occupational exposure limits established by the region specific regulatory bodies.
Appropriate engineering controls
Engineering ControlsShowers
Eyewash stations
Ventilation systems
Eyewash stations
Ventilation systems
Individual protection measures, such as personal protective equipment
Eye/face protectionTight sealing safety goggles.
Skin and Body Protection
Wear protective gloves and protective clothing.
Respiratory protection
If exposure limits are exceeded or irritation is experienced, NIOSH/MSHA approved respiratory protection should be worn. Positive-pressure supplied air respirators may be required for high airborne contaminant concentrations. Respiratory protection must be provided in accordance with current local regulations.
General Hygiene Considerations
Handle in accordance with good industrial hygiene and safety practice.
Information on basic physicochemical properties
- Physical StateSolid
- AppearanceNo information available
- OdorNo information available
- pHNo information available
- Melting point/freezing pointNo information available
- Boiling point103 °C
- Flash pointNo information available
- Density1,255 g/cm3
- Evaporation rateNo information available
- Upper flammability limitsNo information available
- Lower flammability limitNo information available
- Vapor pressure0Pa at 25℃
- Vapor densityNo information available
- Specific gravityNo information available
- Water solubility>=10 g/100 mL at 20 ºC
- Solubility in other solventsNo information available
- Partition coefficientNo information available
- Autoignition temperatureNo information available
- Decomposition temperatureNo information available
- Kinematic viscosityNo information available
- Explosive propertiesNo information available
- Oxidizing propertiesNo information available
- ColourWhite to Orange to Green
Reactivity
Not applicable
Chemical stability
Stable under recommended storage conditions.
Possibility of Hazardous Reactions
None under normal processing.
Hazardous polymerization
No information available.
Conditions to avoid
Extremes of temperature and direct sunlight.
Incompatible materials
Strong oxidizing agents.
Hazardous Decomposition Products
Hydrogen sulfide. Carbon oxides. Nitrogen oxides (NOx).
Information on likely routes of exposure
InhalationClassified based on available data. For more details, see section 2.
Eye contact
Classified based on available data. For more details, see section 2.
Skin Contact
Classified based on available data. For more details, see section 2.
Ingestion
Classified based on available data. For more details, see section 2.
Information on toxicological effects
SymptomsClassified based on available data. For more details, see section 2.
Delayed and immediate effects as well as chronic effects from short and long-term exposure
Chronic ToxicityClassified based on available data. For more details, see section 2.
Numerical measures of toxicity - Product Information
Unknown acute toxicityClassified based on available data. For more details, see section 2
The following values are calculated based on chapter 3.1 of the GHS document
ATEmix (oral)
The following values are calculated based on chapter 3.1 of the GHS document
750 mg/kg
ATEmix (dermal)
1250 mg/kg
Ecotoxicity
Toxic to aquatic life with long lasting effects
0% of the mixture consists of components(s) of unknown hazards to the aquatic environment.
| Chemical Name | Algae/aquatic plants | Fish | Toxicity to Microorganisms | Crustacea |
|---|---|---|---|---|
| Sodium 2-Mercaptobenzothiazole 2492-26-4 | 0.3: 96 h Pseudokirchneriella subcapitata mg/L EC50 | 3.8: 96 h Lepomis macrochirus mg/L LC50 static 0.3 - 1.1: 96 h Oncorhynchus mykiss mg/L LC50 static | - | 1.9 - 5.1: 48 h Daphnia magna mg/L EC50 Static |
Sodium 0.3: 96 h 3.8: 96 h Lepomis
1.9 - 5.1: 48 h Daphnia
2
Mercaptobenzothiazole Pseudokirchneriella macrochirus mg/L LC50 magna mg/L EC50 Static
2492
26-4 subcapitata mg/L EC50 static 0.3 - 1.1: 96 h
Oncorhynchus mykiss mg/L
LC50 static
0% of the mixture consists of components(s) of unknown hazards to the aquatic environment.
Oncorhynchus mykiss mg/L
LC50 static
0% of the mixture consists of components(s) of unknown hazards to the aquatic environment.
Persistence and degradability
No information available.
Bioaccumulation
No information available.
Mobility
No information available.
Sodium 2
Mercaptobenzothiazole -0.46 2492-26-4
Disposal of wastes
Disposal should be in accordance with applicable regional, national and local laws and regulations.
Contaminated packaging
Do not reuse container.
Other Information
Waste codes should be assigned by the user based on the application for which the product was used.
DOT
UN/ID noUN3077
Hazard Class
9
Packing Group
III
Proper shipping name
Environmentally hazardous substance, solid, n.o.s.
Description
UN3077, Environmentally hazardous substance, solid, n.o.s., 9, III
Emergency Response Guide Number
171
IMDG
UN/ID noUN3077
Hazard Class
9
Packing Group
III
Proper shipping name
Environmentally hazardous substance, solid, n.o.s.
Description
UN3077, Environmentally hazardous substance, solid, n.o.s., 9, III
Special Provisions
274, 335, 966, 967
EmS-No
F-A, S-F
IATA
UN/ID noUN3077
Hazard Class
9
Packing Group
III
Proper shipping name
Environmentally hazardous substance, solid, n.o.s.
Description
UN3077, Environmentally hazardous substance, solid, n.o.s., 9, III
International Inventories
All of the components in the product are on the following Inventory lists
TSCA (United States): Canada (DSL/NDSL) Europe (EINECS/ELINCS/NLP) Australia (AICS) South Korea (KECL): China (IECSC)
ENCS (Japan): Philippines (PICCS)
X - Listed
TSCA - United States Toxic Substances Control Act Section 8(b) Inventory
DSL/NDSL - Canadian Domestic Substances List/Non-Domestic Substances List
EINECS/ELINCS - European Inventory of Existing Chemical Substances/European List of Notified Chemical Substances
ENCS - Japan Existing and New Chemical Substances
IECSC - China Inventory of Existing Chemical Substances
KECL - Korean Existing and Evaluated Chemical Substances
PICCS - Philippines Inventory of Chemicals and Chemical Substances
TSCA (United States): Canada (DSL/NDSL) Europe (EINECS/ELINCS/NLP) Australia (AICS) South Korea (KECL): China (IECSC)
ENCS (Japan): Philippines (PICCS)
X - Listed
TSCA - United States Toxic Substances Control Act Section 8(b) Inventory
DSL/NDSL - Canadian Domestic Substances List/Non-Domestic Substances List
EINECS/ELINCS - European Inventory of Existing Chemical Substances/European List of Notified Chemical Substances
ENCS - Japan Existing and New Chemical Substances
IECSC - China Inventory of Existing Chemical Substances
KECL - Korean Existing and Evaluated Chemical Substances
PICCS - Philippines Inventory of Chemicals and Chemical Substances
| Chemical name | TSCA | DSL | NDSL | EINECS | ELINCS | ENCS | IECSC | KECL | PICCS | AICS |
|---|---|---|---|---|---|---|---|---|---|---|
| Sodium 2-Mercaptobenzothiazole | X | X | - | X | - | X | X | X | X | X |
US Federal Regulations
SARA 313
Section 313 of Title III of the Superfund Amendments and Reauthorization Act of 1986 (SARA). This product does not contain any chemicals which are subject to the reporting requirements of the Act and Title 40 of the Code of Federal Regulations, Part 372.
SARA 311/312 Hazard Categories
Acute health hazardYes
Chronic Health Hazard
No
Fire hazard
No
Sudden release of pressure hazard
No
Reactive hazard
No
CWA (Clean Water Act)
This product does not contain any substances regulated as pollutants pursuant to the Clean Water Act (40 CFR 122.21 and 40
CFR 122.42).
CFR 122.42).
US State Regulations
California Proposition 65
This product does not contain any Proposition 65 chemicals.
U.S. State Right-to-Know Regulations
This product does not contain any substances regulated by state right-to-know regulations
Abbreviations and acronyms
CAS: Chemical Abstracts Service
TWA: Time-Weighted Average
STEL: Short-Term Exposure Limit
LD50: Lethal Dose 50%
LC50: Lethal Concentration 50%
EC50: Effective Concentration 50%
PEL: Permissible Exposure Limit
TLV: Threshold Limit Value
IMDG: International Maritime Dangerous Goods Code
IATA: International Air Transport Association
ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
DOT: US Department of Transportation
NFPA: National Fire Protection Association
NIOSH: National Institute for Occupational Safety and Health
OSHA: Occupational Safety and Health Administration
TWA: Time-Weighted Average
STEL: Short-Term Exposure Limit
LD50: Lethal Dose 50%
LC50: Lethal Concentration 50%
EC50: Effective Concentration 50%
PEL: Permissible Exposure Limit
TLV: Threshold Limit Value
IMDG: International Maritime Dangerous Goods Code
IATA: International Air Transport Association
ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
DOT: US Department of Transportation
NFPA: National Fire Protection Association
NIOSH: National Institute for Occupational Safety and Health
OSHA: Occupational Safety and Health Administration
Disclaimer:
The information in this MSDS is only applicable to the specified product, unless otherwise specified, it is not applicable to the mixture of this product and other substances. This MSDS only provides information on the safety of the product for those who have received the appropriate professional training for the user of the product. Users of this MSDS must make independent judgments on the applicability of this SDS. The authors of this MSDS will not be held responsible for any harm caused by the use of this MSDS.