C.I. Direct Black 20, disodium salt
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C.I. Direct Black 20, disodium salt 속성
안전
C.I. Direct Black 20, disodium salt C화학적 특성, 용도, 생산
제조 방법
3,3′-Dimethoxylbenzidine double nitriding, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid, and then three with Benzene-1,3-diamine coupling, N-(4-aminophenyl)acetamide diazo, and formation of accidentally coupled nitrogen compounds.Properties and Applications
blue and black. Moderate soluble in water (for violet black) and ethanol (for dark purple). The strong sulfuric acid for Gray light black, diluted for dark purple. The dye solution to join strong hydrochloric acid have dark purple precipitation; Add thick sodium hydroxide solution have sauce red precipitate.Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 3 | 5 | 3 | 1-2 | 2 |
C.I. Direct Black 20, disodium salt 준비 용품 및 원자재
원자재
준비 용품
C.I. Direct Black 20, disodium salt 공급 업체
글로벌( 0)공급 업체
공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
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C.I. Direct Black 20, disodium salt 관련 검색:
Direct Black 201
2-Naphthalenesulfonic acid, 6-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-3-[[4-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]phenyl]azo]-4-hydroxy-, disodium salt
Direct Black 196
Direct Black 199
Direct Black 198
Direct Black 202
Glycine, N-[5-amino-4-[[7-[[4-[(4-amino-6-sulfo-1-naphthalenyl)azo]phenyl]azo]-8-hydroxy-6-sulfo-2-naphthalenyl]azo]-2-methylphenyl]-, trisodium salt
DIRECT BLACK 22
Direct Black 197