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474-67-9生产厂家

474-67-9价格

474-67-9

474-67-9结构式
474-67-9结构式
  • 常用中文名:菜籽甾醇
  • 常用英文名:Ergosta-5,22-dien-3β-ol
  • CAS号:474-67-9
  • 分子式:C28H46O
  • 分子量:398.664
  • 相关类别: 信号通路 抗感染 细菌
  • 发布时间:2018-03-14 08:00:00
  • 更新时间:2024-01-02 16:49:31
  • 芸苔甾醇是麦角甾醇的代谢产物,通过雄激素信号传导在抑制膀胱癌发生促进中发挥作用【1】。芸苔甾醇对HSV-1(IC50=1.2µM)和结核分枝杆菌具有双重抗感染特性,并具有心血管保护作用[2]。芸苔甾醇通过双重靶向AKT和雄激素受体信号传导在前列腺癌中发挥抗癌作用【3】。

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中文名 菜籽甾醇
英文名 Brassicasterol
中文别名 蕓苔甾醇
英文别名 EINECS 207-486-5
Ergosta-5,22-dien-3β-ol, (24R)-
(3S,8S,9S,10R,13R,14S,17R)-17-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
Ergosta-5,22-dien-3β-ol
(3β,22E)-Ergosta-5,22-dien-3-ol
Ergosta-5,22-dien-3-ol, (3β,22E)-
密度 1.0±0.1 g/cm3
沸点 488.7±14.0 °C at 760 mmHg
分子式 C28H46O
分子量 398.664
闪点 213.3±12.4 °C
精确质量 398.354858
PSA 20.23000
LogP 9.68
蒸汽压 0.0±2.8 mmHg at 25°C
折射率 1.532
储存条件

2-8°C下密封保存,放置于通风、干燥地方,避免于其他氧化物接触。

稳定性

按规格使用和贮存,不会发生分解,避免与氧化物接触

分子结构

1、 摩尔折射率:124.28

2、 摩尔体积(m3/mol):400.7

3、 等张比容(90.2K):996.8

4、 表面张力(dyne/cm):38.2

5、 极化率(10 -24cm 3):49.27

计算化学

1、 疏水参数计算参考值(XlogP):8

2、 氢键供体数量:1

3、 氢键受体数量:1

4、 可旋转化学键数量:4

5、 互变异构体数量:

6、 拓扑分子极性表面积(TPSA):20.2

7、 重原子数量:29

8、 表面电荷:0

9、 复杂度:659

10、 同位素原子数量:0

11、 确定原子立构中心数量:1

12、 不确定原子立构中心数量:8

13、 确定化学键立构中心数量:1

14、 不确定化学键立构中心数量:0

15、 共价键单元数量:1

更多

1. 性状:未确定

2. 密度(g/ m3,25/4℃):未确定

3. 相对蒸汽密度(g/cm3,空气=1):未确定

4. 熔点(ºC):未确定

5. 沸点(ºC,常压):未确定

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:未确定

Section1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE
Product identifiers
Product name: Brassicasterol
CAS-No.: 474-67-9
Relevant identified uses of the substance or mixture and uses advised against
Identified uses: Laboratory chemicals, Manufacture of substances



Section2. HAZARDS IDENTIFICATION
Classification of the substance or mixture
Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
This substance is not classified as dangerous according to Directive 67/548/EEC.
Label elements
The product does not need to be labelled in accordance with EC directives or respective national laws.
Other hazards - none

Section3. COMPOSITION/INFORMATION ON INGREDIENTS
Substances
: 5,22-Cholestadien-24β-methyl-3β-ol
Synonyms
Formula: C28H46O
Molecular Weight: 398,66 g/mol

Section4. FIRST AID MEASURES
Description of first aid measures
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration.
In case of skin contact
Wash off with soap and plenty of water.
In case of eye contact
Flush eyes with water as a precaution.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water.
Most important symptoms and effects, both acute and delayed
To the best of our knowledge, the chemical, physical, and toxicological properties have not been
thoroughly investigated.
Indication of any immediate medical attention and special treatment needed
no data available

Section5. FIREFIGHTING MEASURES
Extinguishing media
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture
Carbon oxides
Advice for firefighters
Wear self contained breathing apparatus for fire fighting if necessary.
Further information
no data available

Section6. ACCIDENTAL RELEASE MEASURES
Personal precautions, protective equipment and emergency procedures
Avoid dust formation. Avoid breathing vapors, mist or gas.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and cleaning up
Sweep up and shovel. Keep in suitable, closed containers for disposal.
Reference to other sections
For disposal see section 13.

Section7. HANDLING AND STORAGE
Precautions for safe handling
Provide appropriate exhaust ventilation at places where dust is formed.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Recommended storage temperature: 2 - 8 °C
Specific end uses
no data available

Section8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Control parameters
Components with workplace control parameters
Exposure controls
Appropriate engineering controls
General industrial hygiene practice.
Personal protective equipment
Eye/face protection
Use equipment for eye protection tested and approved under appropriate government standards
such as NIOSH (US) or EN 166(EU).
Skin protection
The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
the standard EN 374 derived from it.
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
(without touching glove's outer surface) to avoid skin contact with this product. Dispose of
contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
Body Protection
Choose body protection in relation to its type, to the concentration and amount of dangerous
substances, and to the specific work-place., The type of protective equipment must be selected
according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection
Respiratory protection is not required. Where protection from nuisance levels of dusts are desired,
use type N95 (US) or type P1 (EN 143) dust masks. Use respirators and components tested and
approved under appropriate government standards such as NIOSH (US) or CEN (EU).

Section9. PHYSICAL AND CHEMICAL PROPERTIES
Information on basic physical and chemical properties
a) AppearanceForm: solid
b) Odourno data available
c) Odour Thresholdno data available
d) pHno data available
e) Melting point/freezingno data available
point
f) Initial boiling point and no data available
boiling range
g) Flash pointno data available
h) Evaporation rateno data available
i) Flammability (solid, gas) no data available
j) Upper/lowerno data available
flammability or
explosive limits
k) Vapour pressureno data available
l) Vapour densityno data available
m) Relative densityno data available
n) Water solubilityno data available
o) Partition coefficient: n- no data available
octanol/water
p) Autoignitionno data available
temperature
q) Decompositionno data available
temperature
r) Viscosityno data available
s) Explosive propertiesno data available
t) Oxidizing propertiesno data available
Other safety information
no data available

Section10. STABILITY AND REACTIVITY
Reactivity
no data available
Chemical stability
no data available
Possibility of hazardous reactions
no data available
Conditions to avoid
no data available
Incompatible materials
Strong oxidizing agents
Hazardous decomposition products
Other decomposition products - no data available

Section11. TOXICOLOGICAL INFORMATION
Information on toxicological effects
Acute toxicity
no data available
Skin corrosion/irritation
no data available
Serious eye damage/eye irritation
no data available
Respiratory or skin sensitization
no data available
Germ cell mutagenicity
no data available
Carcinogenicity
IARC:No component of this product present at levels greater than or equal to 0.1% is identified as
probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity
no data available
Specific target organ toxicity - single exposure
no data available
Specific target organ toxicity - repeated exposure
no data available
Aspiration hazard
no data available
Potential health effects
InhalationMay be harmful if inhaled. May cause respiratory tract irritation.
IngestionMay be harmful if swallowed.
SkinMay be harmful if absorbed through skin. May cause skin irritation.
EyesMay cause eye irritation.
Signs and Symptoms of Exposure
To the best of our knowledge, the chemical, physical, and toxicological properties have not been
thoroughly investigated.
Additional Information
RTECS: Not available

Section12. ECOLOGICAL INFORMATION
Toxicity
no data available
Persistence and degradability
no data available
Bioaccumulative potential
no data available
Mobility in soil
no data available
Results of PBT and vPvB assessment
no data available
Other adverse effects
no data available

Section13. DISPOSAL CONSIDERATIONS
Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company.
Contaminated packaging
Dispose of as unused product.

Section14. TRANSPORT INFORMATION
UN number
ADR/RID: -IMDG: -IATA: -
UN proper shipping name
ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA:Not dangerous goods
Transport hazard class(es)
ADR/RID: -IMDG: -IATA: -
Packaging group
ADR/RID: -IMDG: -IATA: -
Environmental hazards
ADR/RID: noIMDG Marine pollutant: noIATA: no
Special precautions for user
no data available

Section15. REGULATORY INFORMATION
This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
Safety, health and environmental regulations/legislation specific for the substance or mixture
no data available
Chemical Safety Assessment
no data available

Section16. OTHER INFORMATION
Further information
Copyright 2012 Co. LLC. License granted to make unlimited paper copies for internal use
only.
The above information is believed to be correct but does not purport to be all inclusive and shall be
used only as a guide. The information in this document is based on the present state of our knowledge
and is applicable to the product with regard to appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Corporation and its Affiliates shall not be held
liable for any damage resulting from handling or from contact with the above product. See
and/or the reverse side of invoice or packing slip for additional terms and conditions of sale.

生态学数据:

该物质对环境可能有危害,对水体应给予特别注意。

危险品运输编码 NONH for all modes of transport