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玫瑰红银试剂

玫瑰红银试剂用途

1.有机灵敏试剂，光度测定银、金、汞、铂、钯。

2.用于光度法测定银、铜、金、铂、钯和汞等的显色剂，也可用于定性检出上述元素。

玫瑰红银试剂名称

[ CAS 号 ]:
536-17-4

[ 中文名 ]:
对二甲氨基苄罗丹宁

[ 英文名 ]:
5-(4-DIMETHYLAMINOBENZYLIDENE)RHODANINE

[中文别名 ]:

[英文别名 ]:

4-Dimethylaminobenzylidenerhodanine
5-(4-DIMETHYLAMINOBENZYLIDENE)RHODANINE
EINECS 208-625-2
p-Dimethylaminobenzalrhodanine
4-Dimethylaminobenzalrhodanine
MFCD00064857

玫瑰红银试剂物理化学性质

[ 密度 ]:
1.4±0.1 g/cm3

[ 沸点 ]:
430ºC at 760mmHg

[ 熔点 ]:
285-288 °C(lit.)

[ 分子式 ]:
C₁₂H₁₂N₂OS₂

[ 分子量 ]:
264.366

[ 闪点 ]:
213.8ºC

[ 精确质量 ]:
264.039093

[ PSA ]:
89.73000

[ LogP ]:
2.25

[ 外观性状 ]:
固体;Orange to Brown to Dark red powder to crystal

[ 折射率 ]:
1.703

[ 储存条件 ]:
室温

[ 水溶解性 ]:
水溶性：不溶；微溶：氯仿,乙醇；极微溶：苯,乙醚

玫瑰红银试剂MSDS

玫瑰红银试剂毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: VI8090000

CHEMICAL NAME :: Rhodanine, 5-(p-(dimethylamino)benzylidene)-

CAS REGISTRY NUMBER :: 536-17-4

BEILSTEIN REFERENCE NO. :: 0189065

LAST UPDATED :: 199701

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C12-H12-N2-O-S2

MOLECULAR WEIGHT :: 264.38

WISWESSER LINE NOTATION :: T5SYMV EHJ BUS E1U1R DN1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >500 mg/kg

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

REFERENCE :: NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,11,1953

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 150 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: AD603-561 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X6021 No. of Facilities: 139 (estimated) No. of Industries: 4 No. of Occupations: 4 No. of Employees: 768 (estimated) No. of Female Employees: 321 (estimated)

玫瑰红银试剂安全信息

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

[ 危害码 (欧洲) ]:
Xi

[ 风险声明 (欧洲) ]:
36/37/38

[ 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 ]:
3

[ RTECS号 ]:
VI8090000

[ 海关编码 ]:
2934999090

玫瑰红银试剂合成路线

玫瑰红银试剂上下游产品

玫瑰红银试剂上游产品

玫瑰红银试剂下游产品

玫瑰红银试剂制备

1.将5℃的二硫化碳  乙醇溶液倒入5℃的氨-乙醇溶液，充分搅拌后静置，待沉淀完全后，过滤。用乙醚洗涤沉淀后备用。一氯乙酸水溶液用碳酸钠调ph值为7～8冷却至10℃以下，搅拌下分次少量加入上述新鲜沉淀，控制温度在20℃以下，冷却后静置，过滤，滤液加到煮沸的盐酸水溶液中，加热至95℃，冷却，过滤后，结晶用冰醋酸重结晶一次，得罗丹宁：

将制得的罗丹宁和对二甲氨苯甲醛以理论量配比溶于乙酸，加热回流1～2h：

加水或加乙醇使产物对二甲氨基亚苄罗丹宁沉淀，静置后过滤，结晶经水洗干燥后，再用沸腾乙醇重结晶提纯即可。

玫瑰红银试剂海关

[ 海关编码 ]: 2934999090

[ 中文概述 ]:
2934999090. 其他杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

玫瑰红银试剂文献

Histochemical study of the accumulation of copper in the liver of sheep.

Res. Vet. Sci. 42(1) , 73-81, (1987)

Six Merino sheep were dosed orally with a 0.2 per cent solution of copper sulphate, six others were undosed controls. Liver biopsies were obtained and stained for copper by the p-dimethylaminobenzylid...

Casassas E, et al.

Analyst 109(9) , 1159-1163, (1984)

Use of 5-(4-dimethylaminobenzylidene)rhodanine in quantitating silver grains eluted from autoradiograms of biological material.

Anal. Biochem. 154 , 104, (1986)

5-(4-Dimethylaminobenzylidene)rhodamine, a silver-specific dye, was used in a colorimetric assay to quantitate the autoradiographic deposition of silver onto X-ray film after exposure to sodium dodecy...

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