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19473-49-5生产厂家

19473-49-5价格

19473-49-5

19473-49-5结构式
19473-49-5结构式

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中文名 L-谷氨酸-钾
英文名 l-glutamic acid monopotassium salt
中文别名 L-谷氨酸单甲盐酸盐
英文别名 MONOPOTASSIUM GLUTAMATE
MPG
Kaglutam
L-Glutamic acid, potassium salt (1:1)
EINECS 243-094-0
potassiumglutaminate
POTASSIUMHYDROGENL-GLUTAMATE
POTASSIUM GLUTAMATE
POTASSIUML-GLUTAMATE1-HYDRATE
L-GLUTAMICACIDMONOPOTASSIUMSALT
MONOPOTASSIUM L-GLUTAMATE
POTASSIUM L-GLUTAMATE
MONOPOTASSIUML-GLUTAMATE,FCC
Potassium (2S)-2-amino-4-carboxybutanoate
Potassium 5-oxido-5-oxo-L-norvaline
沸点 333.8ºC at 760 mmHg
分子式 C5H8KNO4
分子量 185.220
闪点 155.7ºC
精确质量 185.009033
PSA 103.45000
外观性状 白色粉末
储存条件 -20°C,密闭,干燥
计算化学

1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:2

3.氢键受体数量:5

4.可旋转化学键数量:4

5.互变异构体数量:无

6.拓扑分子极性表面积103

7.重原子数量:11

8.表面电荷:0

9.复杂度:149

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: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:2

更多

1. 性状:白色粉末

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):不确定

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

毒理学数据:

急性毒性:小鼠口腔LD50: 4500 mg/kg;小鼠腹腔LD50:2400 mg/kg;

CHEMICAL IDENTIFICATION

RTECS NUMBER :
MA1430000
CHEMICAL NAME :
Glutamic acid, monopotassium salt, L-
CAS REGISTRY NUMBER :
19473-49-5
LAST UPDATED :
199701
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C5-H8-N-O4.K
MOLECULAR WEIGHT :
185.24
WISWESSER LINE NOTATION :
QV2YZVO &-KA-

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human
DOSE/DURATION :
57 mg/kg
TOXIC EFFECTS :
Behavioral - headache
REFERENCE :
SCIEAS Science. (American Assoc. for the Advancement of Science, 1333 H St., NW, Washington, DC 20005) V.1- 1895- Volume(issue)/page/year: 163,826,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
4500 mg/kg
TOXIC EFFECTS :
Nutritional and Gross Metabolic - changes in phosphorus Nutritional and Gross Metabolic - other changes
REFERENCE :
FATOAO Farmakologiya i Toksikologiya (Moscow). For English translation, see PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2- 1939- Volume(issue)/page/year: 42,274,1979
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FRZKAP Farmatsevtichnii Zhurnal (Kiev). (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.3- 1930- Volume(issue)/page/year: (5),70,1987
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
4500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
RPTOAN Russian Pharmacology and Toxicology (English Translation). Translation of FATOAO. (Euromed Pub., 33, Woodlands Rd., Surbiton, Surrey, UK) V.30- 1967- Volume(issue)/page/year: 42,115,1979 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4310 No. of Facilities: 35 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 2117 (estimated) No. of Female Employees: 1412 (estimated)

安全声明 (欧洲) S22-S24/25
WGK德国 2
RTECS号 MA1450000
海关编码 2922509090

由发酵法所得L-谷氨酸,与氢氧化钾或碳酸钾中和、脱色、结晶精制而得。

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%