3,5-Octanedione,2,2,6,6-tetramethyl-

物化性质

密度：

0.897 g/cm3

沸点：

294.9ºC at 760 mmHg

闪点：

110ºC

其它信息：

1. 性状：。

2. 密度（g/mL,25/4℃）：

3. 相对蒸汽密度（g/mL,空气=1）：未确定

4. 熔点（ºC）：

5. 沸点（ºC,常压）：

6. 沸点（ºC,5.2kPa）：未确定

7. 折射率：未确定

8. 闪点（ºC）：未确定

9. 比旋光度（º）：未确定

10. 自燃点或引燃温度（ºC）：未确定

11. 蒸气压（kPa,25ºC）：未确定

12. 饱和蒸气压（kPa,60ºC）：未确定

13. 燃烧热（KJ/mol）：未确定

14. 临界温度（ºC）：未确定

15. 临界压力（KPa）：未确定

16. 油水（辛醇/水）分配系数的对数值：未确定

17. 爆炸上限（%,V/V）：未确定

18. 爆炸下限（%,V/V）：未确定

19. 溶解性：。

安全信息

密度：

0.897 g/cm3

沸点：

294.9ºC at 760 mmHg

闪点：

110ºC

其它信息：

1. 性状：。

2. 密度（g/mL,25/4℃）：

3. 相对蒸汽密度（g/mL,空气=1）：未确定

4. 熔点（ºC）：

5. 沸点（ºC,常压）：

6. 沸点（ºC,5.2kPa）：未确定

7. 折射率：未确定

8. 闪点（ºC）：未确定

9. 比旋光度（º）：未确定

10. 自燃点或引燃温度（ºC）：未确定

11. 蒸气压（kPa,25ºC）：未确定

12. 饱和蒸气压（kPa,60ºC）：未确定

13. 燃烧热（KJ/mol）：未确定

14. 临界温度（ºC）：未确定

15. 临界压力（KPa）：未确定

16. 油水（辛醇/水）分配系数的对数值：未确定

17. 爆炸上限（%,V/V）：未确定

18. 爆炸下限（%,V/V）：未确定

19. 溶解性：。

MSDS

Section 1: Product Identification
Chemical Name:2,2,6,6-Tetramethyl-3,5-octanedione, 98% TMOD
CAS Registry Number:78579-61-0
Formula:(CH3)3CC(O)CH2C(O)C(C2H5)(CH3)2
EINECS Number:none
Chemical Family:organic compound
Synonym:none
Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound78579-61-0100%no datano data
Section 3: Hazards Identification
Emergency Overview:No notable hazards reported for this particular material. Unrecognized hazards may nevertheless be present.
Primary Routes of Exposure:Ingestion, inhalation
Eye Contact:May cause slight to mild irritation of the eyes
Skin Contact:May cause slight to mild irritation of the skin.
Inhalation:May be irritating to the nose, mucous membranes and respiratory tract.
Ingestion:No specific information is available on the physiological effects of ingestion.
Acute Health Affects:May be irritating to skin, eyes and respiratory tract.
The health effects resulting from prolonged exposure to this compound have not been thoroughly investigated.
Chronic Health Affects:
Unrecognized hazards may be present.
NTP:No
IARC:No
OSHA:No
SECTION 4: First Aid Measures
Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
Eye Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
Skin Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
Inhalation:
in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
Ingestion:
vomiting only if directed by medical personnel.
SECTION 5: Fire Fighting Measures
Flash Point:no data
Autoignition Temperature:no data
Explosion Limits:no data
Extinguishing Medium:dry chemical, carbon dioxide, or foam.
If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained
Special Fire Fighting Procedures:
breathing apparatus and full protective clothing.
Hazardous Combustion andIf involved in a fire this material may emit toxic organic fumes.
Decomposion Products:
Unusual Fire or Explosion Hazards: None
SECTION 6: Accidental Release Measures
Small spills can be mixed with vermiculite, sodium carbonate or other suitable non combustible adsorbent and
Spill and Leak Procedures:
swept up.
SECTION 7: Handling and Storage
Handling and Storage:Store liquid in a tightly sealed container in a cool dry place.
SECTION 8: Exposure Controls and Personal Protection
Eye Protection:Always wear approved safety glasses when handling a chemical substance in the laboratory.
Skin Protection:Wear protective clothing and gloves. Consult with glove manufacturer to determine the proper type of glove.
Ventilation:If possible, handle the material in an efficient fume hood.
In the absence of adequate ventilation a respirator should be worn. The use of a respirator requires a
Respirator:
Respirator Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation:If possible, handle the material in an efficient fume hood.
Additional Protection:No additional protection required.
SECTION 9: Physical and Chemical Properties
Color and Form:colorless to pale yellow liq.
Molecular Weight:198.302
Melting Point:no data
Boiling Point:no data
Vapor Pressure:no data
Specific Gravity:no data
Odor:mild organic odor
Solubility in Water:Insoluble
SECTION 10: Stability and Reactivity
Stability:air and moisture stable
Hazardous Polymerization:no hazardous polymerization
Conditions to Avoid:none
Incompatibility:Oxidizing agents
Decomposition Products:carbon dioxide, carbon monoxide, and organic fumes.
SECTION 11: Toxicological Information
RTECS Data:No information available in the RTECS files.
Carcinogenic Effects:no information available
Mutagenic Effects:no information available
Tetratogenic Effects:no information available
SECTION 12: Ecological Information
Ecological Information:no information available
SECTION 13: Disposal Considerations
Disposal:Dispose of according to federal, state, and local regulations.
SECTION 14: Transportation
Shipping Name (CFR):Non-hazardous
Hazard Class (CFR):NA
Additional Hazard Class (CFR):NA
Packaging Group (CFR):NA
UN ID Number (CFR):NA
Shipping Name (IATA):Non-hazardous
Hazard Class (IATA):NA
Additional Hazard Class (IATA):NA
Packaging Group (IATA):NA
UN ID Number (IATA):NA
SECTION 15: Regulatory Information
TSCA:Not listed in the TSCA inventory.
SARA (Title 313):Title compound not listed.
Second Ingredient:none
SECTION 16 - ADDITIONAL INFORMATION
N/A

海关数据

中国海关编码：2914190090

概述：

2914190090 其他不含其他含氧基的无环酮。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:5.5%。普通关税:30.0%

申报要素：

品名, 成分含量, 用途, 丙酮报明包装

摘要/Summary：

2914190090 other acyclic ketones without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

分子结构与计算化学数据

分子结构数据

1、 摩尔折射率：57.63

2、 摩尔体积（m³/mol）：220.9

3、 等张比容（90.2K）：509.8

4、 表面张力（dyne/cm）：28.3

5、 介电常数：

6、 偶极距（10^-24cm³）：

7、 极化率：22.84

计算化学数据

1.疏水参数计算参考值（XlogP）:3

2.氢键供体数量:0

3.氢键受体数量:2

4.可旋转化学键数量:5

5.互变异构体数量:3

6.拓扑分子极性表面积34.1

7.重原子数量:14

8.表面电荷:0

9.复杂度:231

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1