硫氰酸铵分析滴定液

硫氰酸铵分析滴定液用途

【用途一】
用作制双氧水的辅助原料，也用于染料、有机合成、农药、医药等
【用途二】
用作染料、有机合成的聚合催化剂，用于农药除草及脱叶剂、抗生素的分离，也是制造氰化物、硫脲的原料
【用途三】
用作分析试剂，也用于抗菌素的分离
【用途四】
是制造双氧水的辅助原料。用作染料、有机合成的聚合催化剂。用于农药、抗生素的分离，分析试剂等。也是制造氰化物、亚铁氰化物和硫脲的原料。还用于涂锌、印染扩散剂、电镀添加剂。
【用途五】
检定和测定微量铁，测定银和汞等，聚合催化剂，抗菌素的分离，分析农药含量，水质分析，配制硫氰酸根和标准溶液。

硫氰酸铵分析滴定液名称

[ CAS 号 ]:
1762-95-4

[ 中文名 ]:
硫氰酸铵

[ 英文名 ]:
Ammonium thiocyanate

[中文别名 ]:

[英文别名 ]:

Ammonium thiocyanate
THIOCYANIC ACID, AMMONIUM SALT
EINECS 217-175-6
Ammonium thiocyanate concentrate
MFCD00011428
Thiocyanic acid ammonium salt
Ammonium rhodanide

硫氰酸铵分析滴定液物理化学性质

[ 密度 ]:
1.3

[ 沸点 ]:
146ºC at 760 mmHg

[ 熔点 ]:
152-154 °C(lit.)

[ 分子式 ]:
CH₄N₂S

[ 分子量 ]:
76.121

[ 闪点 ]:
190 °C

[ 精确质量 ]:
76.009521

[ PSA ]:
65.83000

[ LogP ]:
0.72118

[ 外观性状 ]:
无色或白色晶体或粉末

[ 蒸汽压 ]:
2.86E-06mmHg at 25°C

[ 储存条件 ]:
库房通风低温干燥,与高氯酸钾分开存放

[ 稳定性 ]:
Stable. Incompatible with strong acids, strong oxidizing agents. Forms explosive mixtures with lead nitrate.

[ 水溶解性 ]:
163 g/100 mL (20 ºC)

硫氰酸铵分析滴定液MSDS

详细MSDS(安全技术说明书)

硫氰酸铵分析滴定液毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XK7875000

CHEMICAL NAME :: Thiocyanic acid, ammonium salt

CAS REGISTRY NUMBER :: 1762-95-4

LAST UPDATED :: 199710

DATA ITEMS CITED :: 11

MOLECULAR FORMULA :: C-H-N-S.H3-N

MOLECULAR WEIGHT :: 76.13

WISWESSER LINE NOTATION :: SHCN &ZH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human

DOSE/DURATION :: 430 mg/kg

TOXIC EFFECTS :: Behavioral - hallucinations, distorted perceptions Gastrointestinal - nausea or vomiting Gastrointestinal - other changes

REFERENCE :: DAKMAJ Deutsches Archiv fuer Klinische Medizin. (Leipzig, Ger. Dem. Rep.) V.1-211, 1865-1965. For publisher information, see EJCIB8. Volume(issue)/page/year: 102,606,1911

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 750 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 30(10),51,1986

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 30(10),51,1986

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 30(10),51,1986

TYPE OF TEST :: LC - Lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: >100 mg/m3

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 30(10),51,1986 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 5 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80258 No. of Facilities: 7280 (estimated) No. of Industries: 54 No. of Occupations: 50 No. of Employees: 36582 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80258 No. of Facilities: 10883 (estimated) No. of Industries: 79 No. of Occupations: 98 No. of Employees: 90585 (estimated) No. of Female Employees: 23403 (estimated)

硫氰酸铵分析滴定液安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H302 + H312 + H332-H412

[ 补充危害声明 ]:
Contact with acids liberates very toxic gas.

[ 警示性声明 ]:
P273-P280

[ 个人防护装备 ]:
Eyeshields;Faceshields;Gloves;half-mask respirator (US);multi-purpose combination respirator cartridge (US)

[ 危害码 (欧洲) ]:
Xn:Harmful

[ 风险声明 (欧洲) ]:
R20/21/22;R32;R52/53

[ 安全声明 (欧洲) ]:
S13-S61-S36/37

[ 危险品运输编码 ]:
9092

[ WGK德国 ]:
1

[ RTECS号 ]:
XK7875000

[ 海关编码 ]:
28380000

硫氰酸铵分析滴定液制备

1.由二硫化碳和液氨在加压下反应制得。或由硫黄和水的浆状物与氰化钠反应，再与固体氯化铵反应制得。 2.二硫化碳法将二硫化碳和稍过量的液氨同水混合，在压力5．88×105Pa、温度100℃下，反应约20h，生成硫氰酸铵。反应液经减压蒸发脱除硫化氢，在液温105℃时，用硫化铵除去铁及重金属，过滤，将滤液减压浓缩后在结晶器内冷却结晶，再经离心分离、干燥，制得硫氰酸铵。其反应方程式如下：

3.硫黄法将适量水和硫黄粉在反应器中搅拌成浆状，固体氰化钠分次缓慢加入，在温度110℃左右进行反应生成硫氰化钠，然后再加入固体氯化铵，反应生成硫氰酸铵，在反应液中再加入硫氰酸钡，除杂澄清，上层清液经减压蒸发、浓缩析出氯化钠，再经过滤、冷却结晶、分离和干燥，制得硫氰酸铵。其反应方程式如下：

4.用氰化铵溶液与硫粉共煮。 5. 将二硫化碳与氨水进行加压合成反应，生成硫氰酸铵及副产硫氢化铵，再经脱硫蒸发使硫氢化铵分解生成硫化氢除去，所得溶液经除杂质和分离，得产品。或者将硫黄与氰化钠反应生成硫氰化钠，再与氯化铵复分解反应生成硫氢酸铵。 6. 制法用适量水溶解工业品硫氰酸铵，加热至60℃，之后分别加入适量（以原料中杂质量计算）硫化钡、氢氧化铵（相对密度0.91）和氢氧化钡，以除去重金属离子和SO ₄ ^2-离子。静置澄清，倒出清液，加入少量氨水和少量活性炭，在60℃下蒸发至相对密度为1.15止，过滤后搅拌冷却结晶，抽滤。结晶在60℃下再溶于少量蒸馏水中，常规检验溶液中SO ₄ ² 和Ba ²⁺ （若含量达不到要求，则按计算量加氢氧化钡或硫酸铵，并加入少量活性炭），符合要求后在60℃下过滤、冷却结晶、抽滤后用少量蒸馏水洗涤，最后在30～40℃下干燥，可得分析纯硫氰酸铵。

硫氰酸铵分析滴定液海关

[ 海关编码 ]: 28380000

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