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铬蓝黑R,Mordant Black R [Calcon (C.I.15705)];metal indicator

别名:2-羟基-1-(2-羟基-1-萘偶氮)萘-4-磺酸钠盐;2-Hydroxy-1-(2-hydroxy-1-naphthylazo)naphthalene-4-sulfonic acid sodium salt;Calcon (C.I.15705)

CAS号 2538-85-4 经验分子式(希尔表示法) C20H13N2NaO5S 分子量 416.38 EC Index Number 219-810-2
货号(SKU): 1.04594
CAS号: 2538-85-4
增值税发票 √ 免费送货 √ 订货电话:010-68689484
HK$649.66

产品描述

Analysis Note

Identity (UV/VIS-Spectrum): passes test
Absorption maximum λmax. (buffer pH 12.2): 634 - 640 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.015 g/l; buffer pH 12.2; calculated on dried substance): 250 - 400
Loss on drying (110 °C): ≤ 10 %
Suitability as indicator (for metal titration): passes test

性质

Quality Level  200
pH  9.4 (25 °C, 10 g/L in H2O)
solubility  20 g/L
bulk density  530 kg/m3
InChI  1S/C20H14N2O5S.Na/c23-16-10-9-12-5-1-2-6-13(12)19(16)21-22-20-15-8-4-3-7-14(15)18(11-17(20)24)28(25,26)27;/h1-11,21,23H,(H,25,26,27);/q;+1/p-1/b22-20+;
InChI key  YJUGDMOGPJJWDG-QPNALZDCSA-M
storage conditions  Store at +5°C to +30°C.

安全信息

危害码 (欧洲) Xi
风险声明 (欧洲) 36
安全声明 (欧洲) 26
RIDADR NONH for all modes of transport
商品规格
属性名称属性值
储存温度 Storage temp.常温阴凉避光
全球实时库存 Availability √美国St. Louis ≥ 55 | 欧洲Eur. ≥ 128 | 東京Tokyo ≥ 44 | 香港与北京 ≥ 16