Fluorescent Brightener 251

Modify Date: 2025-08-25 12:17:31

Fluorescent Brightener 251 structure	Common Name	Fluorescent Brightener 251
	CAS Number	16324-27-9	Molecular Weight	1076.93000
	Density	N/A	Boiling Point	N/A
	Molecular Formula	C₃₆H₃₂N₁₂Na₄O₁₄S₄	Melting Point	N/A
	MSDS	N/A	Flash Point	N/A

Name	tetrasodium,5-[[4-(2-hydroxyethylamino)-6-(3-sulfoanilino)-1,3,5-triazin-2-yl]amino]-2-[(E)-2-[4-[[4-(2-hydroxyethylamino)-6-(3-sulfoanilino)-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]ethenyl]benzenesulfonic acid

Molecular Formula	C₃₆H₃₂N₁₂Na₄O₁₄S₄
Molecular Weight	1076.93000
Exact Mass	1076.06000
PSA	452.30000
LogP	6.38740
InChIKey	HECFMGCMMKUMIN-YZNHWISSSA-N
SMILES	O=S(=O)(O)c1cccc(Nc2nc(NCCO)nc(Nc3ccc(C=Cc4ccc(Nc5nc(NCCO)nc(Nc6cccc(S(=O)(=O)O)c6)n5)cc4S(=O)(=O)O)c(S(=O)(=O)O)c3)n2)c1.[Na+].[Na+].[Na+].[Na+]

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GD0240400

CHEMICAL NAME :: Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-((2-hydroxyethyl)amino )-6- ((3-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)-, tetrasodium salt

CAS REGISTRY NUMBER :: 16324-27-9

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C36-H32-N12-O14-S4.4Na

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Delivery: 10 Day
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Email: sales@echemcloud.com

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

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