Home > Name List By v > Vat Blue 4

CAS No 81-77-6 , Vat Blue 4

  • Name: Vat Blue 4
  • Synonyms: Indanthrene; Vat blue 4;Indanthrone; Indanthren Blue;Vat Blue 4; Indanthrene Blue; Medium Blue; C.I. Vat Blue 4; Anthraquinone Blue; Lutetia Fast Blue RS;
  • CAS Registry Number:
  • Transport: CB8761100
  • Melting Point: 470-500 ºC
  • Flash Point: 253.9 ºC
  • Boiling Point: 740.2 ºC at 760 mmHg
  • Density: 1.487 g/cm3
  • Refractive index: 1.746
  • Water Solubility: <0.1 G/100 ML AT 21 ºC
  • Safety Statements: 22-36/37/39
  • Flash Point: 253.9 ºC
  • EINECS: 201-375-5
  • Molecular Weight: 442.42176
  • InchiKey: UHOKSCJSTAHBSO-UHFFFAOYSA-N
  • InChI: InChI=1S/C28H14N2O4/c31-25-13-5-1-3-7-15(13)27(33)21-17(25)9-11-19-23
    (21)29-20-12-10-18-22(24(20)30-19)28(34)16-8-4-2-6-14(16)26(18)32/h1-12,
    29-30H
  • Risk Statements: 20/21/22
  • Molecular Formula: C28H14N2O4
  • Molecular Structure:CAS No:81-77-6 Vat Blue 4
Search by region :

Select to

81-77-6 INDANTHRONE

  • Hong kong Advanced Technology & Industrial Co., Ltd. [Manufacturer]
  • Tel: (852) 2390 2293/ (852) 2394 5546
  • Fax: (852) 2789 8314
  • Address: Unit B, 1/F., Cheong Shing Bldg.,
    17 Walnut St., Tai Kok Tsui, Kln,
    Hong Kong ,Hong kong
Contact Supplier

81-77-6 INDANTHRONE

  • Germany ABCR GmbH & Co KG [Manufacturer]
  • Tel: +49 721 95061-0
  • Fax: +49 721 95061-80
  • Address: Im Schlehert 10
    76187 Karlsruhe
    Germany ,Germany
Contact Supplier

81-77-6 6,15-dihydroanthrazine-5,9,14,18-tetrone

  • China Taiyuan RHF CO., ltd. [Manufacturers]
  • Tel: 0351-7436719
  • Fax: +86-351-7436719
  • Address: Shuangta South Alley 46,2-1, YingZe Area,Taiyuan, ShanXi ,ShanXiChina
Contact Supplier

81-77-6 6,15-dihydroanthrazine-5,9,14,18-tetrone

Contact Supplier

81-77-6 6,15-dihydroanthrazine-5,9,14,18-tetrone

  • China Orichem [Manufacturers]
  • Tel: +86-571-85270505
  • Fax: +86-571-85270303
  • Address: hangzhou zhejiang china hangzhou,zhejiangChina
Contact Supplier

81-77-6 INDANTHRONE BLUE

  • United States Aceto Corp. [Manufacturer]
  • Tel: 516-627-6000
  • Fax: 516-627-6093
  • Address: One Hollow Lane
    Lake Success, NY 11042-1215 ,United States
Contact Supplier

81-77-6 Pigment Blue 60

  • China Dynasty Colourants Co., Ltd. [Manufacturers]
  • Tel: 0086-574-27897999 +86 574 27862090
  • Fax: 0086-574-27862092
  • Address: 18fl., King International , No. 345 South Huancheng West Road Ningbo China, Ningbo,HangzhouChina
Contact Supplier

81-77-6 Vat Blue 4

Contact Supplier

81-77-6 PIGMENT BLUE 60

  • China ORICHEM INTERNATIONAL LTD. [, Manufacturer, Trading Company]
  • Tel: 86-0571-85270505
  • Fax: 86-0571-85270303
  • Address: FLAT E,16/F,1 HUAZHE PLAZA,HANGZHOU, ,China
Contact Supplier

81-77-6 VAT BLUE 4

  • China Qingdao Chinaoil Co., Ltd []
  • Fax: +86-532-85713888 85723888
  • Address: 22/F,Golden Light Tower,No.56, Xianggang Zhong Road, Qingdao 266071, China ,China
Contact Supplier

Select to

References of Vat Blue 4
Title: Indanthrene
CAS Registry Number: 81-77-6
CAS Name: 6,15-Dihydro-5,9,14,18-anthrazinetetrone
Synonyms: N,N¢-dihydro-1,2,1¢,2¢-anthraquinonazine
Molecular Formula: C28H14N2O4
Molecular Weight: 442.42
Percent Composition: C 76.01%, H 3.19%, N 6.33%, O 14.47%
Literature References: Vat dye discovered by René Bohn (1901). Prepn: Fierz-David, Blangey, Grundlegende Operationen der Farbenchemie (Vienna, 5th ed., 1943) pp 304-305; Thielert, Bauman, US 2693469 (1954 to Bayer); Sutter, Fioroni, US 2831860 (l958 to Ciba); Kastner, US 3138612 (1964 to Allied Chem.). Structure: Weinstein, Merrit, J. Am. Chem. Soc. 81, 3759 (1959).
Properties: Blue powder, dec 470-500°. uv max on cellophane film: 278 nm. Practically insol in organic solvents. Sol in concd H2SO4, in dil alkali solns. Indanthrene Blue R, the usual commercial grade, is extremely stable to light and heat, but sensitive to chlorine. A purer grade, which is not as sensitive to chlorine, is sold as Indanthrene Brilliant Blue FF.
Absorption maximum: uv max on cellophane film: 278 nm
Use: Mainly to dye cotton.