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Direct Black 19
CAS No 6428-31-5 , Direct Black 19
Name:
Direct Black 19
Synonyms:
Direct Black 19;Disodium 4-amino-3,6-bis[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate;-;
CAS Registry Number:
6428-31-5
Density:
1.727g/cm
3
Refractive index:
1.817
Water Solubility:
easily soluble in water, slightly soluble in ethanol, acetone
Safety Statements:
Mutation data reported. When heated to decomposition it emits toxic vapors of NO
x
and SO
x
.
EINECS:
229-208-1
Molecular Weight:
839.77
InChI:
InChI=1/C34H29N13O7S2.2Na/c35-18-1-11-26(24(37)15-18)44-40-20-3-7-22(8-4-20)42-46-32-28(55(49,50)51)13-17-14-29(56(52,53)54)33(34(48)30(17)31(32)39)47-43-23-9-5-21(6-10-23)41-45-27-12-2-19(36)16-25(27)38;;/h1-16,48H,35-39H2,(H,49,50,51)(H,52,53,54);;/q;2*+1/p-2/b44-40+,45-41+,46-42+,47-43+;;
Molecular Formula:
C34H27N13Na2O7S2
Molecular Structure:
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6428-31-5 Direct Fast Black G
SUNWELL CHEMICALS CO.,LTD.(INTERPHARMA TRADING CO...
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6428-31-5 Direct Black 19
Taizhou Shengyu Chemical Co., Ltd.
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6428-31-5 Direct Black 19
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6428-31-5 C.I.Direct Black 19
Zhejiang Yulong Chemical Co.,Ltd.
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6428-31-5 Direct black 19
Hangzhou Weiyi Chemical Co., Ltd.
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Tel: 86-0571-82869397
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6428-31-5 Direct Black 19
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Dynasty Chemicals Co., Ltd.
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Fax: +86 574 87317917
Address: 21F Lingqiao Square, 31 Yaohang Street, Ningbo, China NINGBO,zhejiangChina
6428-31-5 DIRECT BLACK 19
Ningbo New Dragon International Trade Co.,Ltd.
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Address: Room 810,No.43 Liuzhuangxiang City Plaza Haishu District,Ningbo,China null,nullChina
6428-31-5 Direct black 19
Hangzhou Dikai chemical Co., Ltd.
[Manufacturers]
Tel: 86-571-82737182/82737186
Fax: 86-571-82737180 82737185
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6428-31-5 Direct Fast Black G
SHIJIAZHUANG HE DYE CHEM CO.,LTD..
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Address: NO. 26 ZHONGJIU ROAD SHIJIAZHUANG CHINA SHIJIAZHUANG,hebeiChina
6428-31-5 Direct Black 19
Shijiazhuang Liangtai Chemicals Import and Export Co.,Ltd
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Tel: 86-0311-67665081
Fax: 86-0311-67665227
Address: 4-2-1102 DiJingCheng,NO250.Road gongnong,ShiJiaZhuang ShiJiaZhuang,hebeiChina
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