2,2-diphenylethanethioamide

Modify Date: 2026-08-05 18:02:55

2,2-diphenylethanethioamide Structure
2,2-diphenylethanethioamide structure
Common Name 2,2-diphenylethanethioamide
CAS Number 17518-50-2 Molecular Weight 227.32500
Density 1.167g/cm3 Boiling Point 382.7ºC at 760mmHg
Molecular Formula C14H13NS Melting Point 143-146ºC
MSDS N/A Flash Point 185.2ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2,2-diphenylethanethioamide
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.167g/cm3
Boiling Point 382.7ºC at 760mmHg
Melting Point 143-146ºC
Molecular Formula C14H13NS
Molecular Weight 227.32500
Flash Point 185.2ºC
Exact Mass 227.07700
PSA 58.11000
LogP 3.80490
Vapour Pressure 4.65E-06mmHg at 25°C
Index of Refraction 1.649
InChIKey QMAWTTMRRXVHNI-UHFFFAOYSA-N
SMILES NC(=S)C(c1ccccc1)c1ccccc1

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

Name: Diphenylthioacetamide 97% Material Safety Data Sheet
Synonym:
CAS: 17518-50-2
Section 1 - Chemical Product MSDS Name:Diphenylthioacetamide 97% Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
17518-50-2 Diphenylthioacetamide 97% unlisted
Hazard Symbols: XN
Risk Phrases: 22

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Harmful if swallowed.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation. May be harmful if absorbed through the skin.
Ingestion:
Harmful if swallowed. May cause irritation of the digestive tract.
Inhalation:
May cause respiratory tract irritation. May be harmful if inhaled.
Chronic:
Not available.

Section 4 - FIRST AID MEASURES
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Vacuum or sweep up material and place into a suitable disposal container.

Section 7 - HANDLING and STORAGE
Handling:
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Storage:
Store in a cool, dry place. Store in a tightly closed container.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 17518-50-2: Personal Protective Equipment Eyes: Not available.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Solid or liquid
Color: Not available.
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C14H13NS
Molecular Weight: 227.33

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 17518-50-2: AB8286000 LD50/LC50:
CAS# 17518-50-2: Oral, mouse: LD50 = >1 gm/kg.
Carcinogenicity:
Diphenylthioacetamide - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION


Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION

IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
R 22 Harmful if swallowed.
Safety Phrases:
WGK (Water Danger/Protection)
CAS# 17518-50-2: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 17518-50-2 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 17518-50-2 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
AB8286000
CHEMICAL NAME :
Acetamide, 2,2-diphenylthio-
CAS REGISTRY NUMBER :
17518-50-2
BEILSTEIN REFERENCE NO. :
2329441
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C14-H13-N-S
MOLECULAR WEIGHT :
227.34

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 14,244,1971

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xn: Harmful;
Risk Phrases R22

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~92%

2,2-diphenylethanethioamide Structure

2,2-diphenyleth...

CAS#:17518-50-2

Learn More
Literature: Walczynski, Krzysztof; Guryn, Roman; Zuiderveld, Obbe P.; Zhang, Ming-Qiang; Timmerman, Henk Farmaco, 2000 , vol. 55, # 9-10 p. 569 - 574

~%

2,2-diphenylethanethioamide Structure

2,2-diphenyleth...

CAS#:17518-50-2

Learn More
Literature: Yadav, Arvind K.; Srivastava, Vishnu P.; Yadav, Lal Dhar S. Synthetic Communications, 2014 , vol. 44, # 3 p. 408 - 416

~%

2,2-diphenylethanethioamide Structure

2,2-diphenyleth...

CAS#:17518-50-2

Learn More
Literature: Yadav, Arvind K.; Srivastava, Vishnu P.; Yadav, Lal Dhar S. Synthetic Communications, 2014 , vol. 44, # 3 p. 408 - 416

~%

2,2-diphenylethanethioamide Structure

2,2-diphenyleth...

CAS#:17518-50-2

Learn More
Literature: Lalancette,J.M.; Brindle,J.R. Canadian Journal of Chemistry, 1971 , vol. 49, p. 2990 - 2995

~%

2,2-diphenylethanethioamide Structure

2,2-diphenyleth...

CAS#:17518-50-2

Learn More
Literature: Walczynski, Krzysztof; Guryn, Roman; Zuiderveld, Obbe P.; Zhang, Ming-Qiang; Timmerman, Henk Farmaco, 2000 , vol. 55, # 9-10 p. 569 - 574

~%

2,2-diphenylethanethioamide Structure

2,2-diphenyleth...

CAS#:17518-50-2

Learn More
Literature: Walczynski, Krzysztof; Guryn, Roman; Zuiderveld, Obbe P.; Zhang, Ming-Qiang; Timmerman, Henk Farmaco, 2000 , vol. 55, # 9-10 p. 569 - 574

~%

2,2-diphenylethanethioamide Structure

2,2-diphenyleth...

CAS#:17518-50-2

Learn More
Literature: Klosa Pharmazie, 1954 , vol. 9, p. 754

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  4

DownStream  0

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

2,2-Diphenylthioacetamid
Diphenyl-thioessigsaeure-amid
Benzhydrylthioamide
DIPHENYL-THIOACETAMIDE
2,2-Diphenylthioacetamide
Acetamide,2,2-diphenylthio
Diphenylthioacetamide
2,2-DIMETHYL-5-TRIFLUOROACETYL-1,3-DIOXANE-4,6-DIONE
MFCD01670747
diphenyl-thioacetic acid amide
Diphenyl-thioacetamid

 2,2-diphenylethanethioamide | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What English synonyms does 2,2-diphenylethanethioamide have?
A: English synonyms of 2,2-diphenylethanethioamide: 2,2-Diphenylthioacetamid, Diphenyl-thioessigsaeure-amid, Benzhydrylthioamide, DIPHENYL-THIOACETAMIDE, 2,2-Diphenylthioacetamide, Acetamide,2,2-diphenylthio, Diphenylthioacetamide, 2,2-DIMETHYL-5-TRIFLUOROACETYL-1,3-DIOXANE-4,6-DIONE, MFCD01670747, diphenyl-thioacetic acid amide, Diphenyl-thioacetamid.
Q: What is the melting point of 2,2-diphenylethanethioamide?
A: Melting point of 2,2-diphenylethanethioamide is 143-146ºC.
Q: What is the InChIKey of 2,2-diphenylethanethioamide?
A: InChIKey of 2,2-diphenylethanethioamide is QMAWTTMRRXVHNI-UHFFFAOYSA-N.
Q: What is the molecular formula of 2,2-diphenylethanethioamide?
A: Molecular formula of 2,2-diphenylethanethioamide is C14H13NS.
Q: What are the upstream materials of 2,2-diphenylethanethioamide?
A: Related upstream materials(CAS) of 2,2-diphenylethanethioamide: 86-29-3;947-91-1;5798-79-8;71-43-2.
Q: What is the polar surface area (PSA) of 2,2-diphenylethanethioamide?
A: Polar surface area (PSA) of 2,2-diphenylethanethioamide is 58.11000.
Q: What is the CAS number of 2,2-diphenylethanethioamide?
A: CAS number of 2,2-diphenylethanethioamide is 17518-50-2.
Q: What is the molecular weight of 2,2-diphenylethanethioamide?
A: Molecular weight of 2,2-diphenylethanethioamide is 227.32500.
Q: What is the LogP of 2,2-diphenylethanethioamide?
A: LogP of 2,2-diphenylethanethioamide is 3.80490.
Q: What is the boiling point of 2,2-diphenylethanethioamide?
A: Boiling point of 2,2-diphenylethanethioamide is 382.7ºC at 760mmHg.

 2,2-diphenylethanethioamidefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.