Company Name: |
Hunan Yongqi Chemical Co., LTD
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Tel: |
0731-85561035 13319583233 |
Email: |
yongqi@yongqichem.com |
Products Intro: |
Product Name:GOLDEN YELLOW GK CAS:3564-70-3 Purity:>=99.0% Package:按需包装
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Company Name: |
Hu' nan Yunbang Pharmaceutical Co., Ltd.
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Tel: |
0731-85561037 15386497078 |
Email: |
yunbang@yunbangapi.com |
Products Intro: |
Product Name:GOLDEN YELLOW GK CAS:3564-70-3 Purity:98% Package:现货;按需包装
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| disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate) Basic information |
Product Name: | disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate) | Synonyms: | Vat yellow 4 solubilized (C.I. 59101);C.I. Solubilised Vat Yellow 4;Dibenzo[b,def]chrysene-7,14-diol 7,14-di(sulfuric acid sodium) salt;Dibenzo(B,def)chrysene-7,14-diol, 7,14-bis(hydrogen sulfate), sodium salt (1:2);Dibenzo(B,def)chrysene-7,14-diol, bis(hydrogen sulfate), disodium salt;Einecs 222-648-5;disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate);C.I.Solubilised Vat Yellow 4 :C.I.59101 | CAS: | 3564-70-3 | MF: | C24H14O8S2.2Na | MW: | 518.49 | EINECS: | 2226485 | Product Categories: | | Mol File: | 3564-70-3.mol | |
| disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate) Chemical Properties |
| disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate) Usage And Synthesis |
Preparation | (a) in the presence of Pyridine, with chlorosulfonic processing C.I. Vat Yellow 4 leuco; (b) used in Pyridine?metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate) processing ?C.I. Vat Yellow 4. The above two kinds of circumstances are through with alkali, filter out the insoluble,, remove Pyridine and salting-out. | Properties and Applications | red light yellow. Orange powder. Soluble in water and acetone, slightly soluble in alcohol. The strong sulfuric acid for green light yellow, diluted into gold. The solubility in water is good, aqueous solution for under fluorescent light bright yellow. Used for the cotton fabric dyeing as red light yellow, to dead cotton covering power is better. The affinity of cotton fiber medium. This product can be used for printing of cotton, including direct printing, the dye printing, white color printing. Also can be used for silk, wool and PVA dyeing.
Standard
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Ironing Fastness
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Chlorine bleach
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Light Fastness
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Mercerized
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Oxygen bleach
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Soaping
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Fading
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Stain
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ISO
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4-5
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4-5
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5-6
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5
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4-5
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3-4
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4
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AATCC
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5
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5
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4-5
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5
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4
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| disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate) Preparation Products And Raw materials |
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