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3,3'-thiodipropiononitrile

3,3'-thiodipropiononitrile

CAS: 111-97-7

Molecular Formula: C6H8N2S

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3,3'-thiodipropiononitrile - Names and Identifiers

Name 3,3'-thiodipropiononitrile
Synonyms 2-Cyanoethyl sulfide
2,2'-Thiodiethylkyanid
2,2'-thiodiethylkyanid
3,3'-thiodipropiononitrile
beta,beta'-Thiodipropionitrile
beta,beta'-thiodipropionitrile
beta,beta-'-thiodipropionitrile
beta,beta'-Dicyanodiethyl sulfide
.beta.,.beta.'-Thiodipropionitrile
CAS 111-97-7
EINECS 203-926-5
InChI InChI=1/C6H8N2S/c7-3-1-5-9-6-2-4-8/h1-2,5-6H2

3,3'-thiodipropiononitrile - Physico-chemical Properties

Molecular FormulaC6H8N2S
Molar Mass140.21
Density1.11g/mLat 25°C(lit.)
Melting Point24-25°C(lit.)
Boling Point191-194°C7mm Hg(lit.)
Flash Point195 °C
Vapor Presure8.7E-05mmHg at 25°C
BRN1701139
Refractive Indexn20/D 1.499(lit.)

3,3'-thiodipropiononitrile - Risk and Safety

Hazard SymbolsXi - Irritant
Irritant
Risk Codes36/37/38 - Irritating to eyes, respiratory system and skin.
Safety DescriptionS26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
UN IDsUN 3334
WGK Germany2
RTECSUG4375000
FLUKA BRAND F CODES13
HS Code29309099

3,3'-thiodipropiononitrile - Nature

Open Data Verified Data

white or yellowish crystals with a slight sulfur odor. Relative density 1. 1095(30 ℃), melting point 26. 65 ℃, refractive index 1.5037. Soluble in acetone, chloroform, benzene.

Last Update：2025-06-10 22:55:16

3,3'-thiodipropiononitrile - Preparation Method

Open Data Verified Data

prepared from acrylonitrile and sodium sulfide.

Last Update：2022-01-01 10:38:07

3,3'-thiodipropiononitrile - Application

Open Data Verified Data

This product is directly alcoholized thiodipropionate, which is the raw material for the production of rubber and polyolefin auxiliary antioxidant.

Last Update：2025-08-19 16:24:40

3,3'-thiodipropiononitrile - Safety

Open Data Verified Data
  • This product is toxic. Rat oral ld504210 mg/kg, cat oral LD50 4210mg/kg.
  • This product is lined with glass bottles and wooden cases for external use. Store in a cool and ventilated warehouse, far away from fire, heat source, and oxidant, acid Isolation storage and transportation.
Last Update：2022-01-01 10:38:08

3,3'-thiodipropiononitrile - Reference Information

EPA chemical substance information information provided by: ofmpeb.epa.gov (external link)
Application thio-malononitrile, also known as thiodipropionitrile, is an organic intermediate that can be used to prepare thiodipropionic acid, can be used in laboratory research and development process and chemical and pharmaceutical synthesis process.
preparation prepare 25% ~ 30% sodium sulfide solution, heat to 30~50 ℃, good acrylonitrile was weighed based on a molar ratio of acrylonitrile to sodium sulfide of 2:1.03 to 1.05, acrylonitrile was slowly dropped over 2H, and after the dropwise addition, stirred at 30 to 50 ° C. For 2H to obtain the compound thiodipropionitrile.
production method prepared from acrylonitrile and sodium sulfide:
category toxic substances
toxicity grade poisoning
Acute toxicity oral-rat LD50: 4210 mg/kg
stimulation data Skin-rabbits 500 mg/24 h mild; eye-rabbit 500 mg/24 h mild
flammability hazard characteristics open flame flammable; Highly toxic nitrile-containing gas emitted by heat
storage and transportation characteristics The warehouse is ventilated and dried at low temperature; Separate from food, oxidant and acid
fire extinguishing agent water, foam, dry powder, carbon dioxide, sand
Last Update：2024-04-09 21:01:54
3,3'-thiodipropiononitrile
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CAS: 111-97-7
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CAS: 111-97-7
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SKYRUN INDUSTRIAL CO.,LTD
Spot supply
Product Name: ββ'-Thiodipropionitrile Visit Supplier Webpage Request for quotation
CAS: 111-97-7
Tel: +86 0571-86722205
Email: sales@chinaskyrun.com
Mobile: +8618958170122
QQ: 2531159185 Click to send a QQ messageSend QQ message
Wechat: chinaskyrun
Hefei TNJ Chemical Industry Co.,Ltd.
Product Name: 3,3'-thiodipropiononitrile Request for quotation
CAS: 111-97-7
Tel: 0086-551-65418684
Email: sales@tnjchem.com
　　　　 info@tnjchem.com
Mobile: 0086 189 4982 3763
QQ: 2881500840 Click to send a QQ message
Wechat: 189 4982 3763
WhatsApp: 0086 189 4982 3763
Product List: View Catalog
View History
3,3'-thiodipropiononitrile
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