2H-1-Benzopyran-3-carbonitrile,4-methyl-2-oxo-

物化性质

密度：

1.29g/cm3

熔点：

192-195 °C (dec.)(lit.)

沸点：

352.2ºC at 760mmHg

闪点：

168.1ºC

折射率：

1.601

蒸汽压：

3.9E-05mmHg at 25°C

存储条件/存储方法：

密封于阴凉干燥环境中

稳定性相关：

常温常压下稳定

避免氧化剂

其它信息：

1. 性状：不确定

2. 密度（g/mL,25/4℃）：不确定

3. 相对蒸汽密度（g/mL,空气=1）：不确定

4. 熔点（ºC）：192-195

5. 沸点（ºC,常压）：不确定

6. 沸点（ºC,5.2kPa）：不确定

7. 折射率：不确定

8. 闪点（ºC）：不确定

9. 比旋光度（º）：不确定

10. 自燃点或引燃温度（ºC）：不确定

11. 蒸气压（kPa,25ºC）：不确定

12. 饱和蒸气压（kPa,60ºC）：不确定

13. 燃烧热（KJ/mol）：不确定

14. 临界温度（ºC）：不确定

15. 临界压力（KPa）：不确定

16. 油水（辛醇/水）分配系数的对数值：不确定

17. 爆炸上限（%,V/V）：不确定

18. 爆炸下限（%,V/V）：不确定

19. 溶解性：不确定

安全信息

密度：

1.29g/cm3

熔点：

192-195 °C (dec.)(lit.)

沸点：

352.2ºC at 760mmHg

闪点：

168.1ºC

折射率：

1.601

蒸汽压：

3.9E-05mmHg at 25°C

存储条件/存储方法：

密封于阴凉干燥环境中

稳定性相关：

常温常压下稳定

避免氧化剂

其它信息：

1. 性状：不确定

2. 密度（g/mL,25/4℃）：不确定

3. 相对蒸汽密度（g/mL,空气=1）：不确定

4. 熔点（ºC）：192-195

5. 沸点（ºC,常压）：不确定

6. 沸点（ºC,5.2kPa）：不确定

7. 折射率：不确定

8. 闪点（ºC）：不确定

9. 比旋光度（º）：不确定

10. 自燃点或引燃温度（ºC）：不确定

11. 蒸气压（kPa,25ºC）：不确定

12. 饱和蒸气压（kPa,60ºC）：不确定

13. 燃烧热（KJ/mol）：不确定

14. 临界温度（ºC）：不确定

15. 临界压力（KPa）：不确定

16. 油水（辛醇/水）分配系数的对数值：不确定

17. 爆炸上限（%,V/V）：不确定

18. 爆炸下限（%,V/V）：不确定

19. 溶解性：不确定

毒理性

生态数据：

该物质对环境可能有危害，对水体应给予特别注意。

MSDS

Name:	3-Cyano-4-methylcoumarin Material Safety Data Sheet
Synonym:
CAS:	24526-69-0

Section 1 - Chemical Product   MSDS Name:3-Cyano-4-methylcoumarin Material Safety Data Sheet
Synonym:
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
24526-69-0	3-Cyano-4-methylcoumarin		unlisted

Hazard Symbols: XN
Risk Phrases: 20/21/22 36/37/38
Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Harmful by inhalation, in contact with skin and if swallowed.
Irritating to eyes, respiratory system and skin.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. Harmful if absorbed through the skin.
Ingestion:
Harmful if swallowed. May cause irritation of the digestive tract.
Inhalation:
Harmful if inhaled. Causes respiratory tract irritation.
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:
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:
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# 24526-69-0: 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: light green
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 191 - 193 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: C11H7NO2
Molecular Weight: 185.18
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:
Nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization: Will not occur.
Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 24526-69-0 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
3-Cyano-4-methylcoumarin - 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
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.*
Hazard Class: 6.1
UN Number: 2811
Packing Group: III
IMO
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.
Hazard Class: 6.1
UN Number: 2811
Packing Group: III
RID/ADR
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.
Hazard Class: 6.1
UN Number: 2811
Packing group: III
Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
R 20/21/22 Harmful by inhalation, in contact with
skin and if swallowed.
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
WGK (Water Danger/Protection)
CAS# 24526-69-0: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 24526-69-0 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 24526-69-0 is not listed on the TSCA inventory.
It is for research and development use only.

SECTION 16 - ADDITIONAL INFORMATION
N/A

海关数据

中国海关编码：2932209090

概述：

2932209090. 其他内酯. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%

申报要素：

品名, 成分含量, 用途

摘要/Summary：

2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

分子结构与计算化学数据

分子结构数据

1、摩尔折射率：不确定

2、 摩尔体积（cm³/mol）：不确定

3、 等张比容（90.2K）：不确定