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柠檬酸二氢钠

柠檬酸二氢钠用途

【用途一】
作Ph调节剂，我国规定可用于各类食品，按生产需要适量使用。
【用途二】
供外用避孕片作发泡剂。

柠檬酸二氢钠名称

[ CAS 号 ]:
18996-35-5

[ 中文名 ]:
无水柠檬酸单钠盐

[ 英文名 ]:
Monosodium citrate

[中文别名 ]:

[英文别名 ]:

sodium dihydrogencitrate
Citrofluyl
Monosodium citrate
sodium dihydrogen citrate
MFCD00013067
Sodium Citrate
citric acid monosodium salt
Citric acid,monosodium salt
EINECS 242-734-6
citric acid sodium salt

柠檬酸二氢钠物理化学性质

[ 沸点 ]:
309.6ºC at 760mmHg

[ 熔点 ]:
212 °C(lit.)

[ 分子式 ]:
C₆H₇NaO₇

[ 分子量 ]:
214.105

[ 闪点 ]:
155.2ºC

[ 精确质量 ]:
214.008942

[ PSA ]:
134.96000

[ 外观性状 ]:
白色结晶粉末

[ 储存条件 ]:
室温

[ 水溶解性 ]:
H2O: 0.25 M at 20 °C, clear, colorless

柠檬酸二氢钠MSDS

柠檬酸二氢钠毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GE7950000

CHEMICAL NAME :: Citric acid, sodium salt

CAS REGISTRY NUMBER :: 18996-35-5

LAST UPDATED :: 199706

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C6-H7-O7.Na

MOLECULAR WEIGHT :: 214.12

WISWESSER LINE NOTATION :: QV1XQVQ1VQ &-NA-

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1348 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis Gastrointestinal - changes in structure or function of salivary glands

REFERENCE :: JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 94,65,1948

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1635 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis Gastrointestinal - changes in structure or function of salivary glands

REFERENCE :: JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 94,65,1948

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 49 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis Gastrointestinal - changes in structure or function of salivary glands

REFERENCE :: JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 94,65,1948

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 379 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis Gastrointestinal - changes in structure or function of salivary glands

REFERENCE :: JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 94,65,1948

柠檬酸二氢钠安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ 危害码 (欧洲) ]:
Xi: Irritant;

[ 风险声明 (欧洲) ]:
R36

[ 安全声明 (欧洲) ]:
S22-S24/25

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

[ WGK德国 ]:
1

[ RTECS号 ]:
GE7950000

[ 海关编码 ]:
2918150000

柠檬酸二氢钠合成路线

柠檬酸二氢钠上下游产品

柠檬酸二氢钠上游产品

柠檬酸二氢钠下游产品

柠檬酸二氢钠制备

先将碳酸氢钠搅拌溶解于热水，然后于85~90℃下，加入计算量的柠檬酸中和。再脱色，并趁热过滤。滤液经减压浓缩、冷却结晶、离心分离、洗涤、干燥，得柠檬酸一钠。
C6H8O7+NaHCO3→C6H7NaO7+CO2↑+H2O

柠檬酸二氢钠海关

[ 海关编码 ]: 2918150000

[ 中文概述 ]:
2918150000. 柠檬酸盐和柠檬酸酯. 增值税率:17.0%. 退税率:13.0%. 监管条件:4ABxy(出口许可证,入境货物通关单,出境货物通关单出口许可证(加工贸易),出口许可证(边境小额贸易)). 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

[ 监管条件 ]: 4.出口许可证 A.入境货物通关单 B.出境货物通关单 x.出口许可证(加工贸易) y.出口许可证(边境小额贸易)

[ 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 N.出口商品检验

[ Summary ]:
2918150000. other salts and esters of citric acid. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:4ABXY(export license,certificate of inspection for goods inward,certificate of inspection for goods outwardexport license(processing trade),export license(border small volume trade)). MFN tariff:6.5%. General tariff:30.0%

柠檬酸二氢钠文献

A Reliable Protocol for In situ microRNAs Detection in Feeding Sites Induced by Root-Knot Nematodes.

Front. Plant Sci. 7 , 966, (2016)

Galls induced by Meloidogyne spp. in plant roots are a complex organ formed by heterogeneous tissues; within them there are 5-8 giant cells (GCs) that root-knot nematodes use for their own nurturing. ...

Semen alterations in porcine rubulavirus-infected boars are related to viral excretion and have implications for artificial insemination.

Res. Vet. Sci. 83(3) , 403-9, (2007)

Porcine rubulavirus (PoRV), also known as blue eye disease (BED) of swine, causes respiratory and reproductive problems in pigs at several developmental stages. To study the effect of PoRV infection o...

Enhanced longevity by ibuprofen, conserved in multiple species, occurs in yeast through inhibition of tryptophan import.

PLoS Genet. 10(12) , e1004860, (2014)

The common non-steroidal anti-inflammatory drug ibuprofen has been associated with a reduced risk of some age-related pathologies. However, a general pro-longevity role for ibuprofen and its mechanist...

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