Shanghai Nianxing Industrial Co., Ltd
China
Product Name: disodium 4,4'-bis[6-anilino-[4-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulphonate
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: disodium 4,4'-bis[6-anilino-[4-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulphonate
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: disodium 4,4'-bis[6-anilino-[4-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulphonate
Price: ￥Inquiry/20ml ￥Inquiry/50ml ￥Inquiry/1g ￥Inquiry/250mg
Purity: 95.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: Benzenesulfonic acid,2,2'-(1,2-ethenediyl)bis[5-[[4-[bis(2-hydroxyethyl)amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-,sodium salt (1:2)
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

4193-55-9

4193-55-9 structure

Name: disodium 4,4'-bis[6-anilino-[4-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulphonate
Chemical Name: Calcofluor White
CAS Number: 4193-55-9
Molecular Formula: C₄₀H₄₂N₁₂Na₂O₁₀S₂
Molecular Weight: 960.94500
Catalog: Catalysts and additives Fluorescent whitening agent
Create Date: 2018-05-22 08:00:00
Modify Date: 2025-09-03 18:27:41
Fluorescent Brightener 28 is a visible light emitting diode (LED)-light sensitive photoinitiator for free radical photopolymerizations[1].

Name	Calcofluor White
Synonyms	kayaphorfb tinopal5bms fluostaini phorwitear tinopalunpa tinophenms72 Fluorescent Brightener 28 cellufluor Calcofluor white M2R,Tinopal LPW paperwhitebp tinophenms31 uvitex4bm

Description	Fluorescent Brightener 28 is a visible light emitting diode (LED)-light sensitive photoinitiator for free radical photopolymerizations[1].
Related Catalog	Research Areas >> Cancer Signaling Pathways >> Others >> Others
References	[1]. Xiaoling Zuo, et al. Fluorescent Brighteners as Visible LED-Light Sensitive Photoinitiators for Free Radical Photopolymerizations. Macromol Rapid Commun. 2016 May;37(10):840-4.

Density	1.37 g/cm3 在 20 ℃
Melting Point	290ºC
Molecular Formula	C₄₀H₄₂N₁₂Na₂O₁₀S₂
Molecular Weight	960.94500
Exact Mass	960.23800
PSA	344.02000
LogP	5.04520

CHEMICAL IDENTIFICATION

RTECS NUMBER :: WJ6125000

CHEMICAL NAME :: 2,2'-Stilbenedisulfonic acid, 4,4'-bis((4-anilino-6-bis(2-hydroxyethyl)amino-s-tria zin-2-yl) amino)-, disodium salt

CAS REGISTRY NUMBER :: 4193-55-9

LAST UPDATED :: 199710

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C40-H42-N12-O10-S2.2Na

MOLECULAR WEIGHT :: 961.04

WISWESSER LINE NOTATION :: T6N CN ENJ BN2Q2Q DMR& FMR CSWO D1U1R BSWO DM- BT6N CN ENJ DN2Q2Q FMR &-NA- 2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: MVCRB3 MVC-Report. (Stockholm, Sweden) No.1-2, 1972-73. Discontinued. Volume(issue)/page/year: 2,193,1973 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 14530 mg/kg

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

REFERENCE :: MVCRB3 MVC-Report. (Stockholm, Sweden) No.1-2, 1972-73. Discontinued. Volume(issue)/page/year: 2,193,1973

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 350 mg/kg

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

REFERENCE :: MVCRB3 MVC-Report. (Stockholm, Sweden) No.1-2, 1972-73. Discontinued. Volume(issue)/page/year: 2,193,1973

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >10 gm/kg

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

REFERENCE :: CCECAU Criticial Reviews in Environmental Control. (Chemical Rubber Company, Cleveland, OH) V.1- 1970- Volume(issue)/page/year: 7,91,1977

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1 gm/kg

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

REFERENCE :: MVCRB3 MVC-Report. (Stockholm, Sweden) No.1-2, 1972-73. Discontinued. Volume(issue)/page/year: 2,193,1973

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >2 gm/kg

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

REFERENCE :: MVCRB3 MVC-Report. (Stockholm, Sweden) No.1-2, 1972-73. Discontinued. Volume(issue)/page/year: 2,193,1973

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 250 mg/kg

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

REFERENCE :: MVCRB3 MVC-Report. (Stockholm, Sweden) No.1-2, 1972-73. Discontinued. Volume(issue)/page/year: 2,193,1973

Hazard Codes	Xn

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1250331-42-0	1478075-93-2
1248917-31-8	1192259-04-3
1065608-74-3	1093951-32-6
1342162-28-0	1093951-44-0
1093938-76-1	1093951-28-0