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87421-23-6生产厂家

87421-23-6价格

87421-23-6

87421-23-6结构式
87421-23-6结构式

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中文名 (2R,3S)-(-)-2-氨基-3-羟基-4-甲基戊酸
英文名 (2R,3S)-2-amino-3-hydroxy-4-methylpentanoic acid
英文别名 (2R,3S)-(-)-2-Amino-3-hydroxy-4-methylpentanoic acid
(2R,3S)-|A-Hydroxyleucine
(3S)-3-Hydroxy-D-leucine
(2S,3R)-2-amino-3-hydroxy-4-methylpentanoic acid
D-threo-|A-Hydroxyleucine
threo-3-Hydroxy-D-leucine
D-threo-hydroxyleucine
(2R,3S)-2-Amino-3-hydroxy-4-methylpentanoic acid
(2S,3R)-3-hydroxyleucine
密度 1.2±0.1 g/cm3
沸点 319.0±32.0 °C at 760 mmHg
熔点 205-208ºC
分子式 C6H13NO3
分子量 147.172
闪点 146.7±25.1 °C
精确质量 147.089539
PSA 83.55000
LogP -0.35
外观性状 白色结晶粉末
蒸汽压 0.0±1.5 mmHg at 25°C
折射率 1.496
储存条件

密闭于0-6 ºC阴凉干燥环境中

稳定性

遵照规定使用和储存则不会分解。

分子结构

1、 摩尔折射率:36.35

2、 摩尔体积(m3/mol):124.5

3、 等张比容(90.2K):330.5

4、 表面张力(dyne/cm):49.6

5、 极化率(10 -24cm 3):14.41

计算化学

1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:3

3.氢键受体数量:4

4.可旋转化学键数量:3

5.互变异构体数量:无

6.拓扑分子极性表面积83.6

7.重原子数量:10

8.表面电荷:0

9.复杂度:124

10.同位素原子数量:0

11.确定原子立构中心数量:2

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

更多

1. 性状:无可用

2. 密度(g/mL,25/4℃):无可用

3. 相对蒸汽密度(g/mL,空气=1):无可用

4. 熔点(ºC):206-208

5. 沸点(ºC,常压):无可用

6. 沸点(ºC,5.2kPa):无可用

7. 折射率:无可用

8. 闪点(ºC):无可用

9. 比旋光度(º):-19.4(6N HCl)

10. 自燃点或引燃温度(ºC):无可用

11. 蒸气压(kPa,25ºC):无可用

12. 饱和蒸气压(kPa,60ºC):无可用

13. 燃烧热(KJ/mol):无可用

14. 临界温度(ºC):无可用

15. 临界压力(KPa):无可用

16. 油水(辛醇/水)分配系数的对数值:无可用

17. 爆炸上限(%,V/V):无可用

18. 爆炸下限(%,V/V):无可用

19. 溶解性:可溶于水

Name: (2R 3S)-(-)-2-Amino-3-hydroxy-4-methylpentanoic acid 99.5+% Material Safety Data Sheet
Synonym: D(-)-threo-3-Hydroxyleucine
CAS: 87421-23-6
Section 1 - Chemical Product MSDS Name:(2R 3S)-(-)-2-Amino-3-hydroxy-4-methylpentanoic acid 99.5+% Material Safety Data Sheet
Synonym:D(-)-threo-3-Hydroxyleucine

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
87421-23-6 (2R,3S)-(-)-2-Amino-3-hydroxy-4-methyl >99.5 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.
Ingestion:
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
Inhalation:
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
Chronic:
No information found.

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. Wash clothing before reuse.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or 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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Runoff from fire control or dilution water may cause pollution.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or appropriate 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. 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 contact with eyes, skin, and clothing. Keep container tightly closed. Avoid breathing dust.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

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# 87421-23-6: 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: Crystalline powder
Color: white
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 206-208 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C6H13NO3
Molecular Weight: 147.17

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable at room temperature in closed containers under normal storage and handling conditions.
Conditions to Avoid:
Dust generation, excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 87421-23-6 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
(2R,3S)-(-)-2-Amino-3-hydroxy-4-methylpentanoic acid - 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# 87421-23-6: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 87421-23-6 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 87421-23-6 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

生态学数据:

通常对水是不危害的,若无政府许可,勿将材料排入周围环境。

安全声明 (欧洲) S24/25
海关编码 2922509090
海关编码 2922509090
中文概述 2922509090. 其他氨基醇酚、氨基酸酚及其他含氧基氨基化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:AB. 最惠国关税:6.5%. 普通关税:30.0%
申报要素 品名, 成分含量, 用途, 乙醇胺及其盐应报明色度, 乙醇胺及其盐应报明包装
监管条件 A.入境货物通关单 B.出境货物通关单
检验检疫 R.进口食品卫生监督检验 S.出口食品卫生监督检验
Summary 2922509090. other amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%