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CAS: 3564-14-5
分子式: C20H13N2NaO5S
分子量: 416.39
中文名称: 
铬蓝黑B
1-(1-羟基-2-萘偶氮)-2-萘酚-4-磺酸钠
C.I.羊毛铬蓝黑B
铬蓝黑 B
英文名称: 
erichrome blue black b
1-Naphthalenesulfonic acid,3-hydroxy-4-[(1-hydroxy-2-naphthalenyl)azo]-,monosodium salt
Eriochrome blue blac
1-(1-Hydroxy-2-naphthylazo)-2-naphthol-4-sul-fonic acid sodium salt
Solochrome black 6B
Chrome blue black B
Mordant black 3
1-Naphthalenesulfonic acid, 3-hydroxy-4-[(1-hydroxy-2-naphthalenyl)azo]-, monosodium salt
3-hydroxy-4-((1-hydroxy-2-naphthalenyl)azo)-1-naphthalenesulfonic aci monos
3-hydroxy-4-[(1-hydroxy-2-naphthalenyl)azo]-1-naphthalenesulfonic aci monos
alizarine blue black ocbn
alizarine blue black ocgn
alizarine blue black ocgp
alizarine blue ocb
azochromol blue black eb
c.i. 14640
c.i. mordant black 3
c.i. mordant black 3, monosodium salt
calcochrome blue black bc
chromazine blue black b
chrome blue black bf
chrome fast cyanide g
chrome fast cyanine bp
chrome fast cyanine gn
chrome fast cyanine gnn
chrome fast cyanine gp
chrome fast cyanine gss
chromocard blue black b
diacromo blue g
diamond blue black ae
diamond blue black eb
diamond blue black ebs-cf
durochrome blue ocg
durochrome cyanine g
durochrome fast cyanine 6bn
eriochrome blue black
eriochrome blue black 2b
eriochrome blue black 2bp
eriochrome blue black 2g
eriochrome blue black b
eriochrome blue black bc
eriochrome blue black bss
fast chrome cyanine 6b
fast chrome cyanine g
fenakron blue black eb
hispacrom blue bg
java chrome blue black bn
kenachrome black 6b
lighthouse chrome black 6b
mitsui chrome blue black bc
omega chrome blue black b
pontachrome blue black bb
salicine blue black aef
solochromate black 6bn
solochrome black 6bn
sunchromine blue black b
superchrome blue bc
superchrome blue bg
tertrochrome blue b
展开更多英文名
性质描述: 棕黑色粉末。溶于丙酮,不溶于甲苯,醇溶液为樱桃红色。水溶液热时为紫黑色,加盐酸后初为红棕色,而后沉淀呈棕黑色;加氢氧化钠为深蓝色,而后为樱桃红。硫酸溶液为深蓝色,用水稀释析出紫黑色沉淀。
生产方法: 由1-氨基-2-萘酚-4-磺酸经重氮化后,再与1-萘酚偶合而得。
用途: 做络合滴定指示剂。使用时配成醇溶液或水溶液,用于测定钙、镁、锰、锌等金属离子,测定水硬度。
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货号品牌产品名称规格包装、参考价格详情
1.03168SupelcoEriochrome blue-black B (C.I. 14640)metal indicator757.67元/25 G;   展开

产品说明

分析说明

Identity (UV/VIS-Spectrum): passes test
Absorption maximum λmax. (buffer pH 10.0): 634 - 644 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.025 g/l; buffer pH 10.0; calculated on anhydrous substance): 220 - 320
Loss on drying (110 °C): ≤ 10 %
Suitability as indicator (for metal titration): passes test

基本信息

经验(实验)分子式C20H13N2NaO5S
分子量416.38
EC索引号222-639-6

产品性质

质量水平200
效能>5000 mg/kg LD50, oral (Rat)
缺失≤10% loss on drying, 110℃
pH值(酸碱度)9.5 (20 ℃, 10 g/L in H2O)
溶解性 20 g/L
堆积密度540 kg/m3
储存温度15-25℃
InChI1S/C20H14N2O5S.Na/c23-17-11-18(28(25,26)27)14-7-3-4-8-15(14)19(17)22-21-16-10-9-12-5-1-2-6-13(12)20(16)24;/h1-11,21,24H,(H,25,26,27);/q;+1/p-1/b22-19-;
InChI keyYRFCCVCSEVISHI-GXTSIBQPSA-M

安全信息

象形图GHS07
警示用语:Warning
危险声明H319
预防措施声明P264 - P280 - P305 + P351 + P338 - P337 + P313
危险分类Eye Irrit. 2
储存分类代码11 - Combustible Solids
WGKWGK 3
闪点(F)Not applicable
闪点(C)Not applicable
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