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草酸氢钾

草酸氢钾用途

【用途一】
容量分析用作标定标准溶液的基准物质。除去墨水渍点，洁净金属、木材等。

草酸氢钾名称

[ CAS 号 ]:
127-95-7

[ 中文名 ]:
草酸氢钾

[ 英文名 ]:
Potassium hydrogen oxalate

[中文别名 ]:

[英文别名 ]:

EINECS 204-873-0
Potassium hydrogen oxalate
potassium,2-hydroxy-2-oxoacetate
oxalic acid monopotassium salt
Oxalic acid, monopotassium salt
Ethanedioic acid, monopotassium salt
Potassium bioxalate
MFCD00036407
ethanedioate, hydrogen potassium salt (1:1:1)
Ethanedioic acid, potassium salt

草酸氢钾物理化学性质

[ 沸点 ]:
365.1ºC at 760 mmHg

[ 分子式 ]:
C₂HKO₄

[ 分子量 ]:
128.125

[ 闪点 ]:
188.8ºC

[ 精确质量 ]:
127.951195

[ PSA ]:
77.43000

[ 外观性状 ]:
白色结晶粉末

[ 蒸汽压 ]:
2.51E-06mmHg at 25°C

[ 储存条件 ]:
室温

[ 稳定性 ]:
Stable.

草酸氢钾MSDS

详细MSDS(安全技术说明书)

草酸氢钾毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: RO3600000

CHEMICAL NAME :: Oxalic acid, monopotassium salt

CAS REGISTRY NUMBER :: 127-95-7

LAST UPDATED :: 199701

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C2-H-O4.K

MOLECULAR WEIGHT :: 128.13

WISWESSER LINE NOTATION :: QVVO &-KA-

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human - woman

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Vascular - BP lowering not characterized in autonomic section Kidney, Ureter, Bladder - urine volume decreased

REFERENCE :: MMWOAU Muenchener Medicinische Wochenschrift. (Munich, Fed. Rep. Ger.) V.33-115, 1886-1973. Volume(issue)/page/year: 79,1481,1932

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human - woman

DOSE/DURATION :: 660 mg/kg

TOXIC EFFECTS :: Gastrointestinal - nausea or vomiting Kidney, Ureter, Bladder - other changes in urine composition

REFERENCE :: MMWOAU Muenchener Medicinische Wochenschrift. (Munich, Fed. Rep. Ger.) V.33-115, 1886-1973. Volume(issue)/page/year: 79,1481,1932

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human - woman

DOSE/DURATION :: 400 mg/kg

TOXIC EFFECTS :: Behavioral - fluid intake Vascular - BP elevation not characterized in autonomic section Gastrointestinal - nausea or vomiting

REFERENCE :: MMWOAU Muenchener Medicinische Wochenschrift. (Munich, Fed. Rep. Ger.) V.33-115, 1886-1973. Volume(issue)/page/year: 79,1481,1932

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Human - man

DOSE/DURATION :: 1071 mg/kg

TOXIC EFFECTS :: Behavioral - general anesthetic Gastrointestinal - changes in structure or function of esophagus Gastrointestinal - nausea or vomiting

REFERENCE :: MLDCAS Medecine Legale et Dommage Corporel. (Paris, France) V.1-7, 1968-74. Discontinued. Volume(issue)/page/year: 4,178,1971 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81946 No. of Facilities: 14 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 294 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81946 No. of Facilities: 349 (estimated) No. of Industries: 2 No. of Occupations: 3 No. of Employees: 2879 (estimated) No. of Female Employees: 1462 (estimated)

草酸氢钾安全信息

[ 危险品运输编码 ]:
2811

[ 包装等级 ]:
III

[ 危险类别 ]:
6.1(b)

草酸氢钾合成路线

详细合成路线

草酸氢钾上下游产品

草酸氢钾上游产品

草酸氢钾下游产品

草酸氢钾制备

将12.6g二水合草酸(0.1mol)溶于300mL水中。用18.4g一水合草酸钾（0.1mol）溶于100mL水中。然后在3℃下将草酸钾水溶液加到草酸水溶液中，在0℃放置24h，析出的晶体即为草酸氢钾一水合物。