4,5-bis-(2-Cyanoethylthio)-1,3-dithiol-2-thione

Modify Date: 2024-01-08 17:00:13

4,5-bis-(2-Cyanoethylthio)-1,3-dithiol-2-thione Structure
4,5-bis-(2-Cyanoethylthio)-1,3-dithiol-2-thione structure
Common Name 4,5-bis-(2-Cyanoethylthio)-1,3-dithiol-2-thione
CAS Number 132765-35-6 Molecular Weight 304.49800
Density 1.51g/cm3 Boiling Point 512.8ºC at 760 mmHg
Molecular Formula C9H8N2S5 Melting Point 83 °C
MSDS N/A Flash Point 264ºC

 Names

Name 4,5-Bis(2-cyanoethylthio)-1,3-dithiole-2-thione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.51g/cm3
Boiling Point 512.8ºC at 760 mmHg
Melting Point 83 °C
Molecular Formula C9H8N2S5
Molecular Weight 304.49800
Flash Point 264ºC
Exact Mass 303.92900
PSA 186.75000
LogP 4.55066
Vapour Pressure 1.25E-10mmHg at 25°C
Index of Refraction 1.729

 MSDS

4,5-Bis(2-cyanoethylthio)-1,3-dithiole-2-thione Revision number: 1
SAFETY DATA SHEET

Section1. BASE INFORMATION
Product name:4,5-Bis(2-cyanoethylthio)-1,3-dithiole-2-thione

Revision number:1

Section2. HAZARDS IDENTIFICATION
Classification of the GHS
PHYSICAL HAZARDSNot classified
HEALTH HAZARDS
Category 3
Acute toxicity (Oral)
Acute toxicity (Dermal)Category 3
Category 3
Acute toxicity (Inhalation)
Skin corrosion/irritationCategory 2
Category 2A
Serious eye damage/eye irritation
ENVIRONMENTAL HAZARDSNot classified
GHS label elements
Pictograms or hazard symbols
Signal wordDanger
Hazard statementToxic by inhalation, in contact with skin and if swallowed
Causes skin irritation
Causes serious eye irritation
Precautionary statements
[Prevention]Avoid breathing.
Use only outdoors or in a well-ventilated area.
Do not eat, drink or smoke when using this product.
Wash hands thoroughly after handling.
Wear protective gloves and eye/face protection.
IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for
[Response]
breathing. Call a POISON CENTER or doctor/physician.
IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. Rinse
mouth.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses,
if present and easy to do. Continue rinsing.
If eye irritation persists: Get medical advice/attention.
IF ON SKIN: Gently wash with plenty of soap and water.
If skin irritation occurs: Get medical advice/attention.
Remove/Take off immediately all contaminated clothing.
Wash contaminated clothing before reuse.
Call a POISON CENTER or doctor/physician if you feel unwell.

Section2. HAZARDS IDENTIFICATION
[Storage]Store in a well-ventilated place. Keep container tightly closed.
Store locked up.
[Disposal]Dispose of contents/container through a waste management company authorized by
the local government

Section3. COMPOSITION/INFORMATION ON INGREDIENTS
Substance/mixture:Substance
Component(s):4,5-Bis(2-cyanoethylthio)-1,3-dithiole-2-thione
>98.0%(LC)
Percent:
CAS Number:132765-35-6
Chemical Formula:C9H8N2S5

Section4. FIRST AID MEASURES
Inhalation:Remove victim to fresh air and keep at rest in a position comfortable for breathing.
Call a POISON CENTER or doctor/physician.
Remove/Take off immediately all contaminated clothing. Gently wash with plenty of
Skin contact:
soap and water. Call a POISON CENTER or doctor/physician.
Rinse cautiously with water for several minutes. Remove contact lenses, if present
Eye contact:
and easy to do. Continue rinsing. If eye irritation persists: Get medical
advice/attention.
Ingestion:Immediately call a POISON CENTER or doctor/physician. Rinse mouth.
Protection of first-aiders:A rescuer should wear personal protective equipment, such as rubber gloves and air-
tight goggles.

Section5. FIRE-FIGHTING MEASURES
Suitable extinguishingDry chemical, foam, water spray, carbon dioxide.
media:
Specific hazards:Take care as it may decompose upon combustion or in high temperatures to
generate poisonous fume.
Specific methods:Fire-extinguishing work is done from the windward and the suitable fire-extinguishing
method according to the surrounding situation is used. Uninvolved persons should
evacuate to a safe place. In case of fire in the surroundings: Remove movable
containers if safe to do so.
Special protectiveWhen extinguishing fire, be sure to wear personal protective equipment.
equipment for firefighters:

Section6. ACCIDENTAL RELEASE MEASURES
Personal precautions,Use extra personal protective equipment (P3 filter respirator for toxic particles). Keep
protective equipment and people away from and upwind of spill/leak. Entry to non-involved personnel should
emergency procedures: be controlled around the leakage area by roping off, etc.
Environmental precautions: Prevent product from entering drains.
Methods and materials for Sweep dust to collect it into an airtight container, taking care not to disperse it.
containment and cleaning Adhered or collected material should be promptly disposed of, in accordance with
up: appropriate laws and regulations.

Section7. HANDLING AND STORAGE
Handling
Handling is performed in a well ventilated place. Wear suitable protective equipment.
Technical measures:
Prevent dispersion of dust. Wash hands and face thoroughly after handling.
Use a closed system if possible. Use a local exhaust if dust or aerosol will be
generated.
Avoid contact with skin, eyes and clothing.
Advice on safe handling:
Storage
Keep container tightly closed. Store in a cool, dark and well-ventilated place.
Storage conditions:
Store locked up.

Section7. HANDLING AND STORAGE
Store away from incompatible materials such as oxidizing agents.
Packaging material:Law is followed.

Section8. EXPOSURE CONTROLS / PERSONAL PROTECTION
Engineering controls:Install a closed system or local exhaust. Also install safety shower and eye bath.
Personal protective equipment
Respiratory protection: Dust respirator, self-contained breathing apparatus(SCBA), supplied air respirator,
etc. Use respirators approved under appropriate government standards and follow
local and national regulations.
Hand protection:Impervious gloves.
Eye protection:Safety goggles. A face-shield, if the situation requires.
Skin and body protection: Impervious protective clothing. Protective boots, if the situation requires.

Section9. PHYSICAL AND CHEMICAL PROPERTIES
Solid
Physical state (20°C):
Form:crystal - powder
Color:Reddish yellow - Deep yellow red
Odor:No data available
pH: No data available
Melting point/freezing point:No data available
Boiling Point/Range:No data available
Flash Point:No data available
Explosive limits
Lower:No data available
Upper:No data available
Density:No data available
Solubility:Soluble in : Acetonitrile

Section10. STABILITY AND REACTIVITY
Stable under proper conditions.
Stability:
Reactivity:No special reactivity has been reported.
Incompartible materials: oxidizing agents
Hazardous Decomposition Carbon monoxide, Carbon dioxide, Nitrogen oxides (NOx), Sulphur oxides
Products:

Section11. TOXICOLOGICAL INFORMATION
Acute Toxicity:No data available
Skin corrosion/irritation: No data available
Serious eyeNo data available
damage/irritation:
Germ cell mutagenicity: No data available
Carcinogenicity:
IARC =No data available
NTP =No data available
Reproductive toxicity:No data available

Section12. ECOLOGICAL INFORMATION
Ecotoxicity:
No data available
Fish:
Crustacea:No data available
No data available
Algae:
Persistence / degradability: No data available
No data available
Bioaccumulative
potential(BCF):
Mobillity in soil
log Pow:No data available

Section12. ECOLOGICAL INFORMATION
Soil adsorption (Koc): No data available
Henry's LawNo data available
constant(PaM3/mol):

Section13. DISPOSAL CONSIDERATIONS
Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material
with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system.
Observe all federal, state and local regulations when disposing of the substance.

Section14. TRANSPORT INFORMATION
6.1: Toxic substance.
Hazards Class:
UN-No:2811
Proper shipping name:Toxic solid, organic, n.o.s.
Packing group:III

Section15. REGULATORY INFORMATION
Safe management ordinance of dangerous chemical product (State Council announces on January 26,
2002): Safe use and production, the storage of a dangerous chemical, transport, loading and unloading were
prescribed.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

Hazard Codes T+
RIDADR 2811.0
Hazard Class 1.0
HS Code 2930909090

 Synthetic Route

~83%

4,5-bis-(2-Cyanoethylthio)-1,3-dithiol-2-thione Structure

4,5-bis-(2-Cyan...

CAS#:132765-35-6

Literature: Tatewaki, Yoko; Watanabe, Takanori; Watanabe, Koji; Kikuchi, Kohei; Okada, Shuji Dalton Transactions, 2013 , vol. 42, # 45 p. 16121 - 16127

~63%

4,5-bis-(2-Cyanoethylthio)-1,3-dithiol-2-thione Structure

4,5-bis-(2-Cyan...

CAS#:132765-35-6

Literature: Abashev, G. G.; Russkikh, V. S.; Shklyaeva, E. V.; Vladykin, V. I. Russian Journal of Organic Chemistry, 1995 , vol. 31, # 11 p. 1533 - 1537 Zhurnal Organicheskoi Khimii, 1995 , vol. 31, # 11 p. 1705 - 1710

 Customs

HS Code 2930909090
Summary 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Synonyms

4,5-BIS(2-CYANOETHYLTHIO)-1,3-DITHIOL-2-THIONE
3-[[5-(2-cyanoethylsulfanyl)-2-sulfanylidene-1,3-dithiol-4-yl]sulfanyl]propanenitrile