Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Dibenzo[b,def]chrysene-7,14-dione
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
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128-66-5

128-66-5 structure

Name: Vat Yellow 4
Chemical Name: C.I. Vat Yellow 4
CAS Number: 128-66-5
Molecular Formula: C₂₄H₁₂O₂
Molecular Weight: 332.35100
Catalog: Dyes and pigments dye Reduced dye
Create Date: 2018-03-14 08:00:00
Modify Date: 2026-07-02 16:10:42
Vat Yellow 4 is a synthetic anthraquinone vat dye. Vat Yellow 4 can be used for the dyeing of cotton, rayon, and wool by textile industries[1].

Name	C.I. Vat Yellow 4
Synonyms	NSC-30987 lanthrene golden yellow EINECS 204-903-2 1',2',6',7'-Dibenzpyrene-7,14-quinone Amanthrene golden yellow gk C.I.VATYELLOW4 Vat Yellow 4 ISO 9001：2015 REACH Yellow GK base Tinon Golden Yellow Anthravat golden yellow gk Tyrion Yellow Indanthren Printing Yellow GOK C.I Vat yellow 4 7,14-dihydrodibenzo[b,i]pyren-7,14-dione dibenzochrysenedione NSC30987 Ahcovat printing golden yellow Golden Yellow ZhKh Ahcovat printing golden yellow gk Anthravat golden yellow DIBENZO(B)CHRYSENE-7,14-DIONE Helanthrene Yellow dibenzo[b,def]chrysene-7,14-dione dibenzo<b,i>pyrene-7,14-quinone Nihonthrene Golden Yellow GK Tinon Golden Yellow GK 2,3,7,8-Dibenzopyrene-1,6-quinone Amanthrene golden yellow Dibenzpyrenequinone Vat Golden Yellow dibenzopyrenequinnone C.I.Vat Yellow 4:C.I Dibenzo<a,h>pyrene-7,14-dione Vat Yellow ZhKh

Description	Vat Yellow 4 is a synthetic anthraquinone vat dye. Vat Yellow 4 can be used for the dyeing of cotton, rayon, and wool by textile industries[1].
Related Catalog	Research Areas >> Others
References	[1]. Chinenye Adaobi Igwegbe, et al. Equilibrium and Kinetics Analysis on Vat Yellow 4 Uptake from Aqueous Environment by Modified Rubber Seed Shells: Nonlinear modelling. J. Mater. Environ. Sci., 2020, 11(9): 1424-1444.

Density	1.418 g/cm3
Boiling Point	606.7ºC at 760 mmHg
Molecular Formula	C₂₄H₁₂O₂
Molecular Weight	332.35100
Flash Point	219.9ºC
Exact Mass	332.08400
PSA	34.14000
LogP	5.26260
Vapour Pressure	1.15E-14mmHg at 25°C
Index of Refraction	1.792
Stability	Stable. Combustible. Incompatible with strong oxidizing agents.

CHEMICAL IDENTIFICATION

RTECS NUMBER :: HO7030000

CHEMICAL NAME :: Dibenzo(b,def)chrysene-7,14-dione

CAS REGISTRY NUMBER :: 128-66-5

BEILSTEIN REFERENCE NO. :: 2000679

LAST UPDATED :: 199712

DATA ITEMS CITED :: 11

MOLECULAR FORMULA :: C24-H12-O2

MOLECULAR WEIGHT :: 332.36

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 5750 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 27(4),54,1983

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2270 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 27(4),54,1983 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 79500 mg/kg/6W-I

TOXIC EFFECTS :: Liver - liver function tests impaired Blood - pigmented or nucleated red blood cells Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 27(4),54,1983 ** TUMORIGENIC DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 7420 gm/kg/2Y-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Blood - lymphoma, including Hodgkin's disease

REFERENCE :: NCITR* National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD) No.0-205. For publisher information, see NTPTR*. Volume(issue)/page/year: NCI-TR-134,1979

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2225 gm/kg/106W-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Blood - lymphoma, including Hodgkin's disease

REFERENCE :: NCITR* National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD) No.0-205. For publisher information, see NTPTR*. Volume(issue)/page/year: NCI-TR-134,1979 *** REVIEWS *** IARC Cancer Review:Animal Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 48,161,1990 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 48,161,1990 IARC Cancer Review:Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 48,161,1990

HS Code	2914399090

Precursor 9
83-80-7 6535-66-6 40138-16-7 82-05-3
98-88-4 642-29-5 93-97-0 99-65-0
127-68-4
DownStream 2
189-64-0 7350-86-9

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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