CAS No.27344-41-8,Disodium 4,4'-bis(2-sulfostyryl)biphenyl Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	27344-41-8
Name:	Disodium 4,4'-bis(2-sulfostyryl)biphenyl

Formula:	C₂₈H₂₀Na₂O₆S₂
Molecular Weight:	562.58
Synonyms:	Benzenesulfonicacid, 2,2'-(4,4'-biphenylylenedivinylene)di-, disodium salt (8CI);Benzenesulfonic acid, 2,2'-([1,1'-biphenyl]-4,4'-diyldi-2,1-ethenediyl)bis-,disodium salt (9CI);4,4'-Bis(2-sodiosulfostyryl)biphenyl;4,4'-Bis(o-sulfostyryl)biphenyldisodium salt;Brightener CBS-X;CBS-X;CF 351;CalcofluorCG;DSBP;Disodium4',4''-bi[stilbene-2,2'''-disulfonate];Stilbene 3;Stilbene 420;Tinopal CBS;Tinopal CBS-X;Tinopal SK;Uvitex NFW;Optical Brightener CBS-X;
EINECS:	248-421-0
Density:	1.414
Melting Point:	>300°C (dec.)
Solubility:	17.6g/L at 20℃
Hazard Symbols:	Xn,Xi
Risk Codes:	R20/21/22; R36/37/38
Safety:	24/25
PSA:	131.16000
LogP:	7.66420

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Chemistry

Molecular Structure of Tinopal CBS (CAS NO. 27344-41-8):

IUPAC Name: Disodium 2-[(Z)-2-[4-[4-[(Z)-2-(2-sulfonatophenyl)ethenyl]phenyl]phenyl]ethenyl]benzenesulfonate
Molecular Formula:C₂₈H₂₀Na₂O₆S₂
Molecular Weight:562.564340 g/mol
Density:1.414
Polar Surface Area: 125.5 Å²
EINECS:248-421-0
Product Categories of Tinopal CBS (CAS NO. 27344-41-8): Biphenyl & Diphenyl ether;Stilbenes

Toxicity Data With Reference

1.	skn-rbt 500 mg/24H MLD	MVCRB3 Fluorescent Whitening Agents, Proceedings of A Symposium. 2 (1973),193.
2.	eye-rbt 100 mg SEV	TXAPA9 Toxicology and Applied Pharmacology. 27 (1974),494.
3.	eye-rbt 100 mg/25 rns MLD	TXAPA9 Toxicology and Applied Pharmacology. 27 (1974),494.
4.	orl-rat LD50:5580 mg/kg	MVCRB3 Fluorescent Whitening Agents, Proceedings of A Symposium. 2 (1973),193.

Consensus Reports

EPA Genetic Toxicology Program. Reported in EPA TSCA Inventory.

Safety Profile

Mildly toxic by ingestion. A skin and severe eye irritant. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of SO_x and Na₂O.

Specification

Tinopal CBS with cas registry number of 27344-41-8 is also called Benzenesulfonic acid, 2,2'-((1,1'-biphenyl)-4,4'-diyldi-2,1-ethenediyl)bis-, disodium salt ; Benzenesulfonic acid, 2,2'-((1,1'-biphenyl)-4,4'-diyldi-2,1-ethenediyl)bis-, sodium salt (1:2) ; Benzenesulfonic acid, 2,2'-(4,4'-biphenylylenedivinylene)di-, disodium salt ; Disodium 4,4'-bis(2-sulfostyryl)biphenyl ; Disodium 4,4'-bis-((4-anilino-6-(N-methyl-2-hydroxyethylamino)-1,3,5-triazin-2-yl)amino)stilbene-2,2'-disulfonate ; Disodium 2,2'-((1,1'-biphenyl)-4,4'-diyldivinylene)bis(benzenesulphonate) ; FBA 351 ; Stilbene 3 ; Tinopal CBS-X . It is used to white synthetic detergent, soap, to bleach cotton, linen and silk wool, nylon and paper.