Vat Blue 4B

Vat Blue 4B 구조식 이미지
카스 번호:
2475-31-2
상품명:
Vat Blue 4B
동의어(영문):
04BS;indigo4b;vatblue5;CI 73065;Indigo 4B;vatblue4b;CIBA BLUE;Bromindigo;tinablue2b;Vat Blue 5
CBNumber:
CB1364318
분자식:
C16H6Br4N2O2
포뮬러 무게:
577.85
MOL 파일:
2475-31-2.mol

Vat Blue 4B 속성

끓는 점
563.4±50.0 °C(Predicted)
밀도
2.5583 (rough estimate)
굴절률
1.6300 (estimate)
색상 색인 번호
73065
산도 계수 (pKa)
-7.15±0.20(Predicted)
CAS 데이터베이스
2475-31-2(CAS DataBase Reference)
NIST
c.i. Vat blue 5(2475-31-2)
EPA
3H-Indol-3-one, 5,7-dibromo-2-(5,7-dibromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- (2475-31-2)

안전

RTECS 번호 NM3259100
기존화학 물질 KE-08788

Vat Blue 4B C화학적 특성, 용도, 생산

용도

Ciba Blue 2B (CAS# 2475-31-2) is a halogenated indigo dye and pollutant contributing 1,3,6,8-tetrabromocarbazole and some other halogenated carbazoles to the environment.

제조 방법

(a) and Acetic anhydride in the presence of Sodium acetate trihydrate in Acetic acid glacial will 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-? ?tetrabromide?(FIAT764); (b) in the boiling Nitrobenzene with Bromine will 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- four bromination, (C) 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- in Chlorosulfonic acid (GP 225227) or in Sulfuryl chloride (GP 229304) and bromine reaction.

Properties and Applications

blue. Dark blue powder. Etanol and insoluble in water, soluble in Xylene, Nitrobenzene and 1, 2, 3, 4 – Tetrahydronaphthalene. Alkaline reduction leuco for yellow; Acid reduction leuco for pale yellow. In concentrated sulfuric acid to blue light green, diluted into blue, and the emergence of precipitation. Used for cotton of jig dyeing and yarn dyeing, dyeing hair blue cloth color turquoise blue. Is the important dye printing, can direct printing, also can discharge printing and resist printing. Can also be used for viscose, silk and wool dyeing, levelness and affinity are good. Can be processed into organic pigment
Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 5 2 4-5 4 3-4 4-5 5
AATCC 5 2 4-5 3-4 4

Vat Blue 4B 준비 용품 및 원자재

원자재

준비 용품


Vat Blue 4B 공급 업체

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