Shanghai Nianxing Industrial Co., Ltd
China
Product Name: ISOVIOLANTHRONE
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Vat Violet 10
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: Isoviolanthrone
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

128-64-3

128-64-3 structure

128-64-3 structure

Name: Vat Violet 10
Chemical Name: Isoviolanthrone
CAS Number: 128-64-3
Molecular Formula: C₃₄H₁₆O₂
Molecular Weight: 456.490
Catalog: Dyes and pigments dye Reduced dye
Create Date: 2018-05-31 08:00:00
Modify Date: 2025-08-28 09:09:02

Name	Isoviolanthrone
Synonyms	Benzo[rst]phenanthro[10,1,2-cde]pentaphen-9,18-dion BENZO(RST)PHENANTHRO(10,1,2-CDE)PENTAPHENE-9,18-DIONE ISOVIOLANTHRONE EINECS 204-901-1 Benzadone Violet B C.I. Vat Violet 10 Dinaphtho(1,2,3-cd:1',2',3'-lm)perylene-9,18-dione (9CI) Isodibenzanthrone Benzo[rst]phenanthro[10,1,2-cde]pentaphene-9,18-dione Paradone Brilliant Violet 2R Vat Violet 10 Romantrene Violet 2R isoviolathrone Izodibenzantron MFCD00021274 Isothrene

Density	1.5±0.1 g/cm3
Molecular Formula	C₃₄H₁₆O₂
Molecular Weight	456.490
Exact Mass	456.115021
PSA	34.14000
LogP	9.13
Index of Refraction	1.926

WGK Germany	3
HS Code	2914399090

Precursor 8
82-05-3 81-96-9 6409-44-5 856340-87-9
856340-89-1 858857-42-8 81-98-1 198-55-0
DownStream 3
188-84-1 7475-29-8 88-99-3

HS Code	2914399090
Summary	2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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