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3528-17-4

3528-17-4 structure
3528-17-4 structure
  • Name: Thiochroman-4-one
  • Chemical Name: 2,3-dihydrothiochromen-4-one
  • CAS Number: 3528-17-4
  • Molecular Formula: C9H8OS
  • Molecular Weight: 164.22400
  • Create Date: 2018-02-07 08:00:00
  • Modify Date: 2024-01-10 16:23:12

Name 2,3-dihydrothiochromen-4-one
Synonyms Thiochroman-4-one
MFCD00006882
4-Thiochromanone
3,4-dihydro-2H-1-benzothiin-4-one
4H-1-Benzothiopyran-4-one,2,3-dihydro
3,4-dihydro-2H-1-benzothiopyran-4-one
2,3-dihydro-4H-1-benzothiopyran-4-one
4H-1-Benzothiopyran-4-one,3-dihydro
EINECS 222-548-1
2H,3H-benzo[e]thian-4-one
Density 1.241 g/cm3
Boiling Point 293.7ºC at 760 mmHg
Melting Point 28-30ºC(lit.)
Molecular Formula C9H8OS
Molecular Weight 164.22400
Flash Point 154.9ºC
Exact Mass 164.03000
PSA 42.37000
LogP 2.36510
Index of Refraction n20/D 1.6395(lit.)
Name: Thiochroman-4-one 97% Material Safety Data Sheet
Synonym:
CAS: 3528-17-4
Section 1 - Chemical Product MSDS Name:Thiochroman-4-one 97% Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
3528-17-4 THIOCHROMAN-4-ONE, 97% 222-548-1
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Not available.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
Inhalation:
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
Chronic:
Not available.

Section 4 - FIRST AID MEASURES
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.
Skin:
Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation:
Remove from exposure and move to fresh air immediately.
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:
In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Sweep up, then place into a suitable container for disposal.

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 general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
Exposure Limits CAS# 3528-17-4: Personal Protective Equipment Eyes: Not available.
Skin:
Wear appropriate protective gloves and clothing to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Solid
Color: colorless - brown
Odor: stench
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 154 deg C @ 12.00mmHg
Freezing/Melting Point: 28.00 - 30.00 deg C
Autoignition Temperature: Not available.
Flash Point: > 112 deg C (> 233.60 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C9H8OS
Molecular Weight: 164.22

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, oxides of sulfur, carbon dioxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 3528-17-4 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
THIOCHROMAN-4-ONE, 97% - Not listed by ACGIH, IARC, or NTP.

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: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 3528-17-4: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 3528-17-4 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 3528-17-4 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Safety Phrases S24/25
RIDADR UN 3335
HS Code 2932999099
HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%