MERCHEM LIMITED
SAFETY DATA SHEET
MSDS NO:01
MERCURE MBT
1. IDENTIFICATION OF THE SUBSTANCE OR PREPARATION AND THE COMPANY/UNDERTAKING
2-Mercaptobenzothiazole
Product name
nd
Merchem Limited,2 Floor, Malankara Centre,
Supplier
MG Road, Ernakulam,
Cochin ?682035, Kerala, India
Tel. + 91-484-2382285
Fax. + 91-484-2380199
+ 91-484-4089300, (Fax. + 91-484-4089310)
Emergency telephone
Vulcanisation accelerator
Intended use
2. COMPOSITION/INFORMATION ON INGREDIENTS
Information on hazardous ingredients
2-Mercaptobenzothiazole
Chemical description
Composition / information on ingredients
Chemical name
Number % w/w CAS-number
1 >96 149-30-4 2-Mercaptobenzothiazole
Number EC-number Annex-1 number Symbol(s) Risk-phrase(s)
1 205-736-8 613-108-00-3 N Xi R43 R50/53
Formula: C7H5NS2.
Other information
3. HAZARDS IDENTIFICATION
May cause sensitization by skin contact.
Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
4. FIRST AID MEASURES
Dust may be irritating to the respiratory tract and cause symptoms of bronchitis.
Symptoms and effects
Repeated contact may cause skin sensitization.
First aid
In all cases of doubt, or when symptoms persist, seek medical attention.
General
Move to fresh air. If symptoms persist, seek medical advice.
Inhalation
Remove al contaminated clothing immediately. Wash off with plenty of soap and water.
Skin
Seek medical advice if irritation develops. Launder clothes before reuse.
Rinse thoroughly with plenty of water. Eyelids should be held away from the eyeball to
Eye
ensure thorough rinsing. Seek medical advice if irritation develops.
Rinse mouth, give water to drink.
Ingestion
No specific recommendations.
Advice to physician
5. FIRE-FIGHTING MEASURES
waterspray, water mist, foam, dry chemical powder, CO2
Extinguishing media
waterjet.
Unsuitable extinguishing media
Emits toxic fumes under fire conditions.
Special exposure hazards
carbon monoxide (CO), Sulfur oxides (SOx), nitrous gases (NOx).
Hazardous decomposition/
combustion products
Wear self contained breathing apparatus
Protective equipment
.Do not allow run-off from fire fighting to enter drains or water courses.
Other information
6. ACCIDENTAL RELEASE MEASURES
For personal protection see Section 8.
Personal precautions
Avoid discharge into the environment.
Environmental precautions
Collect as much as possible in a clean container for (preferable) reuse or disposal.
Methods for cleaning up
7. HANDLING AND STORAGE
Avoid contact with skin. Avoid dust generation.
Handling
Dust/air mixtures may ignite violently upon exposure to sparks or sources of ignition.
Fire and explosion prevention
Kst: 185 bar.m/s.
Maximum rate of pressure rise: 1060 bar/s.
Maximum corrected explosion pressure: 7,7 bar.
MERCHEM LIMITED
SAFETY DATA SHEET
MSDS NO:01
MERCURE MBT
Store in a dry and cool place.
Storage requirements
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Avoid dust generation. Ensure good ventilation and local exhaustion of the working
Engineering controls
area.
Exposure limits
Name
2-Mercaptobenzothiazole WEL (TWA): 4 mg/m?(respirable dust).
OES-TWA 10.0 mg/m?(total inhalable dust)
Personal protection
Avoid breathing dust. In case of insufficient ventilation, wear suitable respiratory
Respiratory
equipment.
Wear protective gloves.
Hand
Wear safety goggles.
Eye
Wear suitable protective clothing.
Skin and body
9. PHYSICAL AND CHEMICAL PROPERTIES
Dedusted powder; powder
Appearance
Pale Yellow
Colour
characteristic
Odour
not determined
Boiling point/range
170 - 175 癈
Melting point/range
252 癈
Flash point
not determined
Flammability
650 癈
Autoignition temperature
dust explosion hazard
Explosive properties
Lower Explosion Limit (LEL): 20 - 30 g/m?
Explosion limits
Minimum ignition energy (MIE): =< 3 mJ
not applicable
Oxidizing properties
Negligible at room temperatures
Vapour pressure
1525 kg/m?br>
Density
480-520 kg/m?br>
Bulk density
0.118 kg/m?( 22 ?)
C
Solubility in water
acetone, CS2
Solubility in other solvents
not determined
pH value
2.42
Partition coefficient
n-octanol/water
not applicable
Relative vapour density (air=1)
not applicable
Viscosity
10. STABILITY AND REACTIVITY
Stable under recommended storage and handling conditions (see section 7).
Stability
Heating > 100 ?May catch fire.
C:
Conditions to avoid
strong oxidising agents.
Materials to avoid
Thermal decomposition products: carbon monoxide (CO), nitrous gases (NOx), Sulfur
Hazardous decomposition
oxides (SOx)
products
11. TOXICOLOGICAL INFORMATION
2-Mercaptobenzothiazole
Name
Acute toxicity
rat: 3800 mg/kg.
Oral LD50
rabbit: >7940 mg/kg.
Dermal LD50
Irritation
Overall mean EU skin irritation scores:
Skin
Redness: 0.5.
Swel ing: 0.5.
Slightly irritating to skin but not sufficient for classification.
MERCHEM LIMITED
SAFETY DATA SHEET
MSDS NO:01
MERCURE MBT
Overall mean EU eye irritation scores:
Eye
Conjunctival redness: 0.4.
Conjunctival swel ing: 0.1.
Iris lesions: 0.0.
Cornea opacity: 0.0.
Slightly irritating to eyes but not sufficient for classification.
Sensitization Maximisation test ( guinea pig ): Sensitizing ( skin ).
Patch testing ( Human experience ): Not sensitizing, Non-irritating.
Not mutagenic ( in vitro, in vivo )
Genotoxicity
Not teratogenic
Other toxicological information
Oral carcinogenicity test ( rat, mouse ): Tumours not relevant to man.
12. ECOLOGICAL INFORMATION
2-Mercaptobenzothiazole
Name
Ecotoxicity
96h-LC50 ( Lepomis macrochirus ): 1.5 mg/l
fish
96h-LC50 ( Oncorhynchus mykiss ): 0.75 mg/l.
96h-LC50 ( Pimephales promelas ): 11 mg/l.
48h-EC50 ( Daphnia magna ): 4.1 mg/l.
daphnia
96 h-EC50 ( Cel count ): 0.25 mg/l.
algae
Fate
Not readily biodegradable.
Degradation Biotic
13. DISPOSAL CONSIDERATIONS
Avoid discharge into the environment.
Product
Small quantities: According to local regulations.
Large quantities: Consult Merchem for special advice.
According to local regulations.
Contaminated packaging
Waste code number: Please refer to your specific industry in the European Waste Catalogue.
Other information
14. TRANSPORT INFORMATION
Land transport (ADR/ RID)
9
ADR class
III
9 ADR/RID packing group
RID class
90 3077
Hazard Identification No. Substance Identification No.
3077
UN number
Environmentally hazardous substance, solid, n.o.s. (2-mercaptobenzothiazole)
Proper Shipping Name
ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S.
(2-Mercaptobenzothiazole)
Sea transport (IMDG-code/ IMO)
9
IMO/IMDG code Class
III 3077
Packing group UN number
F-A, S-F
EMS Subsidiary Risk
no
Marine pollutant
Environmentally hazardous substance, solid, n.o.s. (2-mercaptobenzothiazole)
Proper Shipping Name
Air transport (ICAO-TI/ IATA-DGR)
3077
ICAO-TI/IATA-DGR UN number
9 III
Class Packing group
Environmentally hazardous substance, solid, n.o.s. (2-mercaptobenzothiazole)
Proper Shipping Name
15. REGULATORY INFORMATION
2-
Chemical description
Mercaptobenzothiazole
Label ing according to EC
directives
EC-number See section 2
Annex-1 to directive
Classification based on
67/548/EEC
MERCHEM LIMITED
SAFETY DATA SHEET
MSDS NO:
MERCURE MBT
DANGEROUS FOR THE
Symbol(s) IRRITANT (Xi)
ENVIRONMENT (N)
R 43 May cause sensitization by skin contact
R(isk) phrase(s)
R 50/53 Very toxic to aquatic organisms, may cause long-term adverse effects in the
aquatic environment
S 24 Avoid contact with skin
S(afety) phrase(s)
S 37 Wear suitable gloves
S 60 This material and its container must be disposed of as hazardous waste
S 61 Avoid release to the environment. Refer to special instructions/Safety data sheets
None
Other information
16. OTHER INFORMATION
This information only concerns the above mentioned product and does not need to be valid if used with other product(s) or
in any process. The information is to our best present knowledge correct and complete and is given in good faith but without
warranty. It remains the user's own responsibility to make sure that the information is appropriate and complete for his
special use of this product.
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