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23342-31-6

23342-31-6结构式

常用中文名：4,4,7,9-四甲基-1,3,4,5-四氢-2-苯并噁-1,3-二酮
常用英文名：2-Benzoxepin-1,3-dione,4,5-dihydro-4,4,7,9-tetramethyl-
CAS号：23342-31-6
分子式：C₁₄H₁₆O₃
分子量：232.27500
发布时间：2018-12-08 17:51:49
更新时间：2024-01-11 15:29:28

中文名	4,4,7,9-四甲基-1,3,4,5-四氢-2-苯并噁-1,3-二酮
英文名	4,4,7,9-tetramethyl-5H-2-benzoxepine-1,3-dione

密度	1.111 g/cm3
沸点	378.2ºC at 760 mmHg
熔点	99ºC
分子式	C₁₄H₁₆O₃
分子量	232.27500
闪点	177.5ºC
精确质量	232.11000
PSA	43.37000
LogP	2.56910
蒸汽压	6.41E-06mmHg at 25°C
折射率	1.523

Name:	4 4 7 9-Tetramethyl-1 3 4 5-tetrahydro-2-benzoxepine-1 3-dione 97% Material Safety Data Sheet
Synonym:	2,4-Dimethyl-6-(2-methylpropyl)benzene-1,2-dicarboxylic anhydrid
CAS:	23342-31-6

Section 1 - Chemical Product MSDS Name:4 4 7 9-Tetramethyl-1 3 4 5-tetrahydro-2-benzoxepine-1 3-dione 97% Material Safety Data Sheet
Synonym:2,4-Dimethyl-6-(2-methylpropyl)benzene-1,2-dicarboxylic anhydrid

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
23342-31-6	4,4,7,9-Tetramethyl-1,3,4,5-tetrahydro	97%	unlisted

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. May be harmful if absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract. May be harmful if swallowed.
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.
Notes to Physician:
Treat symptomatically and supportively.

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:
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# 23342-31-6: 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
Color: white crystalline solid
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 99 - 100 deg C
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: C14H16O3
Molecular Weight: 232

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

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 23342-31-6 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
4,4,7,9-Tetramethyl-1,3,4,5-tetrahydro-2-benzoxepine-1,3-dione - 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
No information available.
IMO
No information available.
RID/ADR
No information available.

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# 23342-31-6: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 23342-31-6 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 23342-31-6 is not listed on the TSCA inventory.
It is for research and development use only.

SECTION 16 - ADDITIONAL INFORMATION
N/A

危害码 (欧洲)	Xi: Irritant;
安全声明 (欧洲)	S24/25

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