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1225 West Market St., Akron OH 44313 Phone: 330-869-0500, Fax: 330-869-0518 Safety Data Sheet
Sovchem® TETD
Emergency Contact:
Sovereign Chemical Company Chemtrec: 1-800-424-9300 (continental USA) 1225 West Market Street (1)703-527-3887 (outside continental USA) Akron, OH 44313
Trade Name(s): Sovchem® TETD Crystal or Pellet
Synonyms: TETD or Thiodicarbonic diamide tetraethyl
Chemical Name: Tetraethyl thiuram disulfide
CAS Number: 97-77-8
Relevant identified uses of the substance or
Application of the substance/the preparation:
mixture and uses advised against: No further
Initial product for chemical reactions. relevant information available.
Issued By:
Sovereign Chemical Company
SDS Number: 1525
Date of Issue:
June 24, 2013
Revision Number: 5 (supersedes May 3, 2012)
Change(s): Revision to GHS requirement


2.1 Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008

The following Hazard Statements are applicable only to the EU regulations and not the US GHS regulation: H400, H410. GHS08 Health hazard STOT RE 2 H373 May cause damage to organs through prolonged or repeated exposure. GHS09 Environment Aquatic Acute 1 H400 Very toxic to aquatic life. Aquatic Chronic 1 H410 Very toxic to aquatic life with long lasting effects. GHS07 Acute Tox. 4 H302 Harmful if swallowed. H317 May cause an allergic skin reaction.
Classification according to Directive 67/548/EEC or Directive 1999/45/EC

Xn; Harmful R22-48/22 Harmful if swallowed. Harmful: danger of serious damage to health by prolonged exposure if swallowed.
May cause sensitization by skin contact. N; Dangerous for the environment R50/53: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.

2.2 Label elements
Labeling according to Regulation (EC) No 1272/2008
The substance is classified and labeled according to the CLP regulation.
Hazard pictograms
This pictogram only applicable for EU regulations. Not for use in the United States (OSHA GHS) GHS07 GHS08 GHS09
Signal word: Warning
Hazard-determining components of labeling: disulfiram
Hazard statements
The following Hazard Statements are applicable only to the EU regulations and not the US GHS regulation: H410.
H302 Harmful if swallowed.
H317 May cause an allergic skin reaction.
H373 May cause damage to organs through prolonged or repeated exposure.
H410 Very toxic to aquatic life with long lasting effects.
Precautionary statements
Wear protective gloves and eye protection. Wash thoroughly after handling. Do not breathe dust. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation or rash occurs: Get medical advice/attention. Get medical advice/attention if you feel unwell. IF ON SKIN: Wash with plenty of soap and water. Dispose of contents/container in accordance with local/regional/national/international regulations. Hazard description

D2A –Very toxic material causing other toxic effects HMIS ratings (scale 0-4)
Fire = 1 Reactivity = 0 * - Indicates a long term health hazard from repeated or prolonged exposures.
HMIS Long Term Health Hazard Substances: Substance is not listed.
2.3 Other hazards
Results of PBT and vPvB assessment
Not applicable.
vPvB: Not applicable.
3.1 Substances
CAS No., Description:
97-77-8, disulfiram
Identification number(s)
EC number:
· Index number: 006-079-00-8
SCC ISO Document Number: SCCF 4.2.3-2.B Sovchem® TETD SDS

4.1 Description of first aid measures
General information:
Symptoms of poisoning may even occur after several hours; therefore medical observation
for at least 48 hours after the accident.
After inhalation:
Supply fresh air; consult doctor in case of complaints.
After skin contact
Immediately wash with water and soap and rinse thoroughly.
If skin irritation continues, consult a doctor.
After eye contact
Remove contact lenses if worn.
Rinse opened eye for several minutes under running water. If symptoms persist, consult a doctor.
After swallowing
Rinse out mouth and then drink plenty of water.
Do not induce vomiting; call for medical help immediately.
Call for a doctor immediately.
4.2 Most important symptoms and effects, both acute and delayed
Gastric or intestinal disorders
Danger of circulatory collapse.
Danger of disturbed cardiac rhythm.
Condition may deteriorate with alcohol consumption.
4.3 Indication of any immediate medical attention and special treatment needed
Treat skin and mucous membrane with antihistamine and corticoid preparations.
In cases of irritation to the lungs, initial treatment with cortical steroid inhalants.
Medical supervision for at least 48 hours.
5.1 Extinguishing media
Suitable extinguishing agents:
CO2, powder or water spray. Fight larger fires with water spray or alcohol resistant
For safety reasons unsuitable extinguishing agents: None.
5.2 Special hazards arising from the substance or mixture: Formation of toxic gases is possible during heating
or in case of fire.
5.3 Advice for firefighters
Protective equipment
Wear self-contained respiratory protective device.
Wear fully protective suit.
Additional information: Cool endangered receptacles with water spray.
6.1 Personal precautions, protective equipment and emergency procedures
Wear protective equipment. Keep unprotected persons away.
Use respiratory protective device against the effects of fumes/dust/aerosol.
Ensure adequate ventilation
6.2 Environmental precautions
Inform respective authorities in case of seepage into water course or sewage system.
Do not allow to enter sewers/ surface or ground water.
6.3 Methods and material for containment and cleaning up
Pick up mechanically.
Dispose contaminated material as waste according to item 13.
SCC ISO Document Number: SCCF 4.2.3-2.B Sovchem® TETD SDS
6.4 Reference to other sections
See Section 7 for information on safe handling.
See Section 8 for information on personal protection equipment.
See Section 13 for disposal information.
7.1 Precautions for safe handling
Prevent formation of dust.
Ensure good ventilation/exhaustion at the workplace.
Any unavoidable deposit of dust must be regularly removed.
Information about fire and explosion protection
Keep respiratory protective device available.
Dust can combine with air to form an explosive mixture.
7.2 Conditions for safe storage, including any incompatibilities
Requirements to be met by storerooms and receptacles:
Provide ventilation for receptacles.
Information about storage in one common storage facility
Store away from oxidizing agents.
Do not store together with acids.
Store away from foodstuffs.
Further information about storage conditions: None
7.3 Specific end use(s): No further relevant information available.
Additional information about design of technical facilities: No further data; see item 7.
8.1 Control parameters
Ingredients with limit values that require monitoring at the workplace
97-77-8 disulfiram
2 mg/m³, avoid concurrent exposure to Ethylene dibromide DNELs: No further relevant information available.
PNECs: No further relevant information available.
Additional information: The lists valid during the making were used as basis.
8.2 Exposure controls
Personal protective equipment
General protective and hygienic measures
The usual precautionary measures are to be adhered to when handling chemicals.
Pregnant women should strictly avoid inhalation or skin contact.
Keep away from foodstuffs, beverages and feed.
Immediately remove all soiled and contaminated clothing
Wash hands before breaks and at the end of work.
Do not inhale dust / smoke / mist.
Respiratory protection: Suitable respiratory protective device recommended.
Protection of hands
Protective gloves The glove material has to be impermeable and resistant to the product/ the substance/ the preparation.
Selection of the glove material on consideration of the penetration times, rates of diffusion and the degradation
Material of gloves
Neoprene gloves
Nitrile rubber, NBR
The selection of the suitable gloves does not only depend on the material, but also on further marks of quality and
SCC ISO Document Number: SCCF 4.2.3-2.B Sovchem® TETD SDS varies from manufacturer to manufacturer.
Penetration time of glove material
The exact break through time has to be found out by the manufacturer of the protective gloves and has to be
Not suitable are gloves made of the following materials: Strong material gloves
Eye protection
Goggles recommended during refilling.
Safety glasses with side shields or face shields strongly suggested. Body protection: Protective work clothing
Limitation and supervision of exposure into the environment
No further relevant information available.
Risk management measures
See Section 7 for additional information.
No further relevant information available.

9.1 Information on basic physical and chemical properties
General Information

Change in Condition
Form: Crystalline
Melting Point/Melting Range: 71-72 °C (160-162 °F)
Color: Light yellow
Boiling Point/Boiling Range: Undetermined
Odor: Amine-like
Octanol/Water Partition Coefficient: Not determined.
Odor threshold: Not determined
Solid content: Not determined
pH value: Not applicable
Specific Gravity: 1.27 – 1.30
Vapor Pressure: Not applicable
Flash point: Not applicable
Density at 20 °C: 1.3 g/cm³
Flammability (solid, gaseous): May cause fire.
Relative density Not determined.
Ignition temperature: Not determined
Vapor Density: Not applicable
Decomposition temperature: Not determined
Evaporation rate Not applicable.
Self-igniting: Not determined.
Solubility in / Miscibility with water: Insoluble.
Danger of explosion: Product does not present an
explosion hazard.
Explosion limits
Dynamic: Not applicable.
Lower: 20 g/m3.
Kinematic: Not applicable.
Upper: NE
Organic solvents: Not determined.
9.2 Other information No further relevant information available.
10.1 Reactivity
10.2 Chemical stability
Thermal decomposition / conditions to be avoided:
No decomposition if used and stored according to
10.3 Possibility of hazardous reactions
Toxic fumes may be released if heated above the decomposition point.
As the product is supplied it is not capable of dust explosion; however enrichment with fine dust causes risk of dust
Reacts with strong oxidizing agents.
Reacts with strong acids.
10.4 Conditions to avoid
Keep ignition sources away - Do not smoke.
Store away from oxidizing agents.
10.5 Incompatible materials: No further relevant information available.
SCC ISO Document Number: SCCF 4.2.3-2.B Sovchem® TETD SDS
10.6 Hazardous decomposition products
Sulphur oxides (SOx)
Nitrogen oxides (NOx)
Carbon monoxide and carbon dioxide
11.1 Information on toxicological effects
Acute toxicity
· Primary irritant effect
on the skin: Slight irritant effect on skin and mucous membranes.
on the eye: Slight irritant effect on eyes.
Sensitizing effect through inhalation is possible by prolonged exposure.
Sensitization possible through skin contact.
Additional toxicological information
Toxic and/or corrosive effects may be delayed up to 48 hours.
Danger through skin adsorption.
Repeated dose toxicity
May cause damage to organs through prolonged or repeated exposure. Repeated exposures may result in skin and/or respiratory sensitivity.
12.1 Toxicity
Aquatic toxicity: Toxic for aquatic organisms
12.2 Persistence and degradability: Not easily biodegradable.
12.3 Bioaccumulative potential: May be accumulated in organism
12.4 Mobility in soil: No further relevant information available.
Ecotoxical effects
Very toxic for fish
Additional ecological information
General notes
The product may not be released into the environment without control.
Due to available data on eliminability/decomposition and bioaccumulation potential prolonged term damage of the
environment cannot be excluded.
Water hazard class 3 (German Regulation) (Self-assessment): extremely hazardous for water
Do not allow product to reach ground water, water course or sewage system, even in small quantities.
Danger to drinking water if even extremely small quantities leak into the ground.
Also poisonous for fish and plankton in water bodies.
Very toxic for aquatic organisms
12.5 Results of PBT and vPvB assessment
PBT: Not applicable.
vPvB: Not applicable.
12.6 Other adverse effects: No further relevant information available.
13.1 Waste treatment methods
Must not be disposed together with household garbage. Do not allow product to reach sewage system.
Hand over to hazardous waste disposers.
Can be burned with household garbage after consulting with the waste disposal facility operator and the pertinent
authorities and adhering to the necessary technical regulations.
SCC ISO Document Number: SCCF 4.2.3-2.B Sovchem® TETD SDS The user of this material has the responsibility to dispose of unused material, residues and containers in compliance
with all relevant local, state and federal laws and regulations regarding treatment, storage and disposal for
hazardous and nonhazardous wastes. Residual materials should be treated as hazardous.
Uncleaned packaging
Disposal must be made according to official regulations.
14.1 UN-Number
14.2 UN proper shipping name
3077 ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Tetraethylthiuram Disulfide) ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Tetraethylthiuram Disulfide), MARINE POLLUTANT ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Tetraethylthiuram Disulfide) 14.3 Transport hazard class(es)
9 (M7) Miscellaneous dangerous substances and articles. IMDG, IATA
9 Miscellaneous dangerous substances and articles. 14.4 Packing group

14.5 Environmental hazards
Marine pollutant
Symbol (fish and tree) Special marking (ADR)
Symbol (fish and tree) Special marking (IATA)
Symbol (fish and tree)
14.6 Special precautions for user
Warning: Miscellaneous dangerous substances and articles. Danger code (Kemler)
EMS Number
14.7 Transport in bulk according to Annex II of
MARPOL73/78 and the IBC Code

Transport/Additional information:
Limited quantities (LQ)
·Transport category
·Tunnel restriction code
·UN "Model Regulation"

5.1 Safety, health and environmental regulations/legislation specific for the substance or mixture
United States (USA)

SARA Section 355 (extremely hazardous substances)
Substance is not listed. SARA Section 313 (Specific toxic chemical listings)
Substance is not listed. TSCA (Toxic Substances Control Act)
Substance is listed. Proposition 65 (California)
Chemicals known to cause cancer
Substance is not listed. Chemicals known to cause reproductive toxicity for females
Substance is not listed. Chemicals known to cause reproductive toxicity for males
Substance is not listed. Chemicals known to cause developmental toxicity
Substance is not listed. Carcinogenic Categories
EPA (Environmental Protection Agency)
Substance is not listed. IARC (International Agency for Research on Cancer)
97-77-8 disulfiram 3 TLV (Threshold Limit Value established by ACGIH)
97-77-8 disulfiram A4 NIOSH-Ca (National Institute for Occupational Safety and Health)
Substance is not listed. OSHA-Ca (Occupational Safety & Health Administration)
Substance is not listed. Canada
Canadian Domestic Substances List (DSL)
Substance is listed. Canadian Ingredient Disclosure list (limit 0.1%)
Substance is not listed. Canadian Ingredient Disclosure list (limit 1%)
Substance is listed. 15.2 Chemical safety assessment: A Chemical Safety Assessment has not been carried out.
This information is based on our present knowledge. However, this shall not constitute a guarantee for any specific
product features and shall not establish a legally valid contractual relationship.
Abbreviations and acronyms:
ADR: Accord européen sur le transport des marchandises dangereuses par Route (European Agreement concerning
the International Carriage of Dangerous Goods by Road)
IMDG: International Maritime Code for Dangerous Goods
DOT: US Department of Transportation
IATA: International Air Transport Association
GHS: Globally Harmonized System of Classification and Labeling of Chemicals
ACGIH: American Conference of Governmental Industrial Hygienists
EINECS: European Inventory of Existing Commercial Chemical Substances
CAS: Chemical Abstracts Service (division of the American Chemical Society)
NFPA: National Fire Protection Association (USA)
HMIS: Hazardous Materials Identification System (USA)
WHMIS: Workplace Hazardous Materials Information System (Canada)
DNEL: Derived No-Effect Level (REACH)
PNEC: Predicted No-Effect Concentration (REACH)
SDS Prepared by:
ChemTel Inc.
1305 North Florida Avenue
Tampa, Florida USA 33602-2902
Toll Free North America 1-888-255-3924 Intl. +01 813-248-0573
SCC ISO Document Number: SCCF 4.2.3-2.B Sovchem® TETD SDS


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