29668-43-7

29668-43-7结构式
29668-43-7结构式

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中文名 2,3-二氢-1,4-苯并二氧-5-甲醛
英文名 2,3-dihydro-1,4-benzodioxine-5-carbaldehyde
英文别名 2,3-dihydro-1,4-benzodioxin-5-carboxaldehyde
2,3-DIHYDRO-1,4-BENZODIOXINE-5-CARBALDEHYDE
2,3-Dihydro-benzo[1,4]dioxine-5-carbaldehyde
2H,3H-benzo[e]1,4-dioxane-5-carbaldehyde
2,3-Dihydrobenzo[b][1,4]dioxine-5-carbaldehyde
2,3-dihydro-1,4-benzodioxin-5-carbaldehyde
5-formyl-2,3-dihydro-1,4-benzodioxin
1,4-benzodioxan-5-carbaldehyde
1,4-Benzodioxin-5-carboxaldehyde, 2,3-dihydro-
2,3-ethylenedioxybenzaldehyde
密度 1.3±0.1 g/cm3
沸点 283.6±29.0 °C at 760 mmHg
熔点 62ºC
分子式 C9H8O3
分子量 164.158
闪点 116.1±10.7 °C
精确质量 164.047348
PSA 35.53000
LogP 1.56
外观性状 固体
蒸汽压 0.0±0.6 mmHg at 25°C
折射率 1.588
储存条件 2-8°C
Name: 2 3-Dihydro-1 4-benzodioxine-5-carbaldehyde Material Safety Data Sheet
Synonym: None Known
CAS: 29668-43-7
Section 1 - Chemical Product MSDS Name:2 3-Dihydro-1 4-benzodioxine-5-carbaldehyde Material Safety Data Sheet
Synonym:None Known

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
29668-43-7 2,3-Dihydro-1,4-benzodioxine-5-carbald unlisted
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
The toxicological properties of this material have not been fully investigated.
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. The toxicological properties of this substance have not been fully investigated. May be harmful if swallowed.
Inhalation:
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. May be harmful if inhaled.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
Eyes: In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical aid.
Skin:
In case of contact, flush skin with plenty of water. Remove contaminated clothing and shoes. Get medical aid if irritation develops and persists. Wash clothing before reuse.
Ingestion:
If swallowed, do not induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. Get medical aid.
Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
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. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions.
Provide ventilation.

Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Use with adequate ventilation.
Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing.
Keep container tightly closed. Avoid ingestion and inhalation.
Storage:
Store in a cool, dry place. Store in a tightly closed container.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 29668-43-7: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
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: Not available.
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 59 - 62 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: C9H8O3
Molecular Weight: 164.16

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Dust generation.
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# 29668-43-7 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
2,3-Dihydro-1,4-benzodioxine-5-carbaldehyde - 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# 29668-43-7: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 29668-43-7 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 29668-43-7 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) Xn

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文献:Grudzien, Krzysztof; Malinska, Maura; Barbasiewicz, Michal Organometallics, 2012 , vol. 31, # 9 p. 3636 - 3646

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文献:Allergan, Inc. Patent: US2006/69144 A1, 2006 ; Location in patent: Page/Page column 19-20 ; US 20060069144 A1

~93%

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文献:Deveau, Amy Morin; Macdonald, Timothy L. Tetrahedron Letters, 2004 , vol. 45, # 4 p. 803 - 807

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文献:US4722931 A1, ;