氰化银
氰化银用途
用作贵金属电镀试剂及添加剂
【用途二】
用作分析试剂
【用途三】
医药,镀银,防护涂料用于压热器的衬里,电接触、飞机发动机轴承的电镀。
氰化银名称
[ CAS 号 ]:
506-64-9
[ 中文名 ]:
氰化银
[ 英文名 ]:
Silver cyanide
[英文别名 ]:
- (Cyano-κC)silver
- MFCD00003409
- Silver cyanide (Ag(CN))
- EINECS 208-048-6
- Silver cyanide [UN1684] [Poison]
- silver(I)cyanide
- Silver, (cyano-κC)-
- Silver cyanide
- Silver(1+) cyanide
- Silver fulminate
氰化银物理化学性质
[ 密度 ]:
3.95
[ 沸点 ]:
25.7ºC at 760 mmHg
[ 熔点 ]:
300ºC
[ 分子式 ]:
CAgN
[ 分子量 ]:
133.886
[ 精确质量 ]:
132.908173
[ PSA ]:
23.79000
[ LogP ]:
0.01678
[ 外观性状 ]:
白色至灰白色粉末
[ 折射率 ]:
1.685
[ 储存条件 ]:
库房通风低温干燥,与碱、酸类、食品添加剂分开存放
[ 稳定性 ]:
May decompose in light. Incompatible with strong acids, ammonia, hydrogen peroxide. Forms an explosive mixture with fluorine.
[ 水溶解性 ]:
insoluble | 每100毫升水中的溶解克数: 1.467×10-7/20℃
氰化银MSDS
氰化银毒性和生态
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- VW3850000
- CHEMICAL NAME :
- Silver cyanide
- CAS REGISTRY NUMBER :
- 506-64-9
- BEILSTEIN REFERENCE NO. :
- 4360924
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 7
- MOLECULAR FORMULA :
- C-Ag-N
- MOLECULAR WEIGHT :
- 133.89
- WISWESSER LINE NOTATION :
- AG CN
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- 28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972 Volume(issue)/page/year: -,13,1972
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- 28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972 Volume(issue)/page/year: -,13,1972 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 123 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- 28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972 Volume(issue)/page/year: -,13,1972 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81115 No. of Facilities: 483 (estimated) No. of Industries: 16 No. of Occupations: 15 No. of Employees: 2560 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81115 No. of Facilities: 1252 (estimated) No. of Industries: 25 No. of Occupations: 23 No. of Employees: 16168 (estimated) No. of Female Employees: 4054 (estimated)
氰化银安全信息
[ 符号 ]:
GHS05, GHS06, GHS09
[ 信号词 ]:
Danger
[ 危害声明 ]:
H300 + H310 + H330-H318-H410
[ 补充危害声明 ]:
Contact with acids liberates very toxic gas.
[ 警示性声明 ]:
Missing Phrase - N15.00950417-P280-P302 + P352 + P310-P304 + P340 + P310-P305 + P351 + P338 + P310
[ 个人防护装备 ]:
dust mask type N95 (US);Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
[ 危害码 (欧洲) ]:
T+:Verytoxic;N:Dangerous for the environment;
[ 风险声明 (欧洲) ]:
R26/27/28;R32;R50/53
[ 安全声明 (欧洲) ]:
S28-S29-S45-S60-S61-S7
[ 危险品运输编码 ]:
UN 1684
[ WGK德国 ]:
3
[ RTECS号 ]:
VW3850000
[ 包装等级 ]:
II
[ 危险类别 ]:
6.1
[ 海关编码 ]:
2843290010
氰化银上下游产品
氰化银上游产品
氰化银下游产品
氰化银制备
1.金属银法
将金属银先溶于硝酸,然后用水稀释,在不断搅拌下加入氰化钠,直到沉淀完全为止(在整个反应过程中使溶液保持弱酸性),再将沉淀物经分离、洗涤、干燥得氰化银。其反应式如下:
2.复分解法
在冷的硝酸银饱和溶液中,加浓的氰化钾溶液和氢氰酸经复分解反应得氰化银沉淀物,再经分离,洗涤、干燥得氰化银成品。其反应式如下:
3.将饱和硝酸银溶液与计量的78%氰化钾溶液混合,迅速过滤。将析出的氰化银重结晶两次,在140℃干燥4天。
氰化银海关
[ 海关编码 ]: 2843290010
氰化银文献
Inorg. Chem. 37 , 1380, (1998)
The structure of thallium dicyanoargentate(I) has been determined crystallographically. The crystal structure shows an Ag-Ag distance of 3.11 _. This is the shortest Ag-Ag distance reported for any si...
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