产品名称

英文名称：Chromotrope 2B

同义词

Chromotrope 2B、548-80-1、Chromotrope Red 4B、Chromatrope 2B、Naphtocard Fast Red 3B、Khromotrop 2B、Acid Red 176、2-(4-Nitrophenylazo)chromotropic acid disodium salt、2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-((4-nitrophenyl)azo)-, disodium salt、C.I. 16575、变色素2B、酸性红176、铬变素 2B、对硝基苯偶氮变色酸 二钠盐

产品性质

CAS编号：548-80-1

分子式：C16H9N3Na2O10S2

分子量：513.37

Beilstein号：4109733

EC号：208-959-9

MDL号：MFCD00003951

PubChem编号：68360

别名：变色素2B|酸性红176|铬变素 2B|对硝基苯偶氮变色酸 二钠盐

英文别名：Chromotrope 2B|548-80-1|Chromotrope Red 4B|Chromatrope 2B|Naphtocard Fast Red 3B|Khromotrop 2B|Acid Red 176|2-(4-Nitrophenylazo)chromotropic acid disodium salt|2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-((4-nitrophenyl)azo)-, disodium salt|C.I. 16575

规格或纯度：97%

英文名称：Chromotrope 2B

运输条件：常规运输

备注：100g卖完停产，不再备货

产品介绍：淡红棕色粉末，溶于水呈淡黄红色，不溶于醇。分析测定硼酸、硼酸盐、锗、钴、镍、铜和稀土金属，检验铝、钙和镁。 Chromotrope 2B along with Chromotrope 2R, was used to give a highly colored radical anion, during the spectrophotometric determination of cephalosporins (cephadroxil (I), cephalexin (II) and cephradine (III)) in pharmaceutical products. It may be immobilized on AG 1-X8 ion exchange resin, used in flame atomic absorption spectrometry and inductively coupled plasma mass spectrometry (ICP-MS), done for the on-line preconcentration and determination of aluminium.

PubChem SID：488184129

IUPAC Name：disodium;4,5-dihydroxy-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonate

INCHI：InChI=1S/C16H11N3O10S2.2Na/c20-12-7-11(30(24,25)26)5-8-6-13(31(27,28)29)15(16(21)14(8)12)18-17-9-1-3-10(4-2-9)19(22)23;;/h1-7,20-21H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2

InChi Key：AXUUHWJXDWBCSG-UHFFFAOYSA-L

Canonical SMILES：C1=CC(=CC=C1N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])O)O)[N+](=O)[O-].[Na+].[Na+]

Isomeric SMILES：C1=CC(=CC=C1N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])O)O)[N+](=O)[O-].[Na+].[Na+]

WGK Germany：3

PubChem CID：68360

敏感性：对湿度敏感

熔点：300°C

象形图：

信号词：Warning

危险声明：H315 Causes skin irritationH319 Causes serious eye irritationH335 May cause respiratory irritation

预防措施声明：P261,P305+P351+P338,P280,P302+P352,P321,P405,P501,P264,P271,P304+P340,P403+P233,P362+P364,P264+P265,P337+P317,P332+P317,P319

Merck Index：2240

个人防护装备：dust mask type N95 (US),Eyeshields,Gloves

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