Fluorescent Brightener 220 supplier

Name
Fluorescent Brightener 220
EINECS 240-521-2
CAS No. 16470-24-9
Density 0.526-1.56[at 20℃]
Solubility 10-650g/L at 20-26℃
Melting Point
Formula C₄₀H₄₀N₁₂Na₄O₁₆S₄
Boiling Point
Molecular Weight 1165.03
Flash Point
Transport Information
Appearance
Safety
Risk Codes
Molecular Structure
Hazard Symbols
Synonyms 2,2'-Stilbenedisulfonicacid,4,4'-bis[[4-[bis(2-hydroxyethyl)amino]-6-(p-sulfoanilino)-s-triazin-2-yl]amino]-,tetrasodium salt (7CI,8CI);BLB;Belofor OB;Blancofor BBU;Blankophor BBU;Blankophor P/BBU;Blankophor Z-JPN;C.I. 40623;C.I. Fluorescent Brightener220;Fluorescent Brightener 220;Keyfluor White CN;Leucophor U;Photine CPK;SCRI Renaissance 2200;Sandoz CD;Tetrasodium 4,4'-bis[2-di(b-hydroxyethyl)amino-4-(4-sulfophenylamino)-s-triazin-6-ylamino]stilbine-2,2'-disulfonate;
PSA 481.64000
LogP 3.71280

Fluorescent Brightener 220 Toxicity Data With Reference

1.		orl-rat LD50:5300 mg/kg		MVCRB3 Fluorescent Whitening Agents, Proceedings of A Symposium. 2 (1973),193.
2.		skn-rat LD50:>4 mL/kg		MVCRB3 Fluorescent Whitening Agents, Proceedings of A Symposium. 2 (1973),193.

Reported in EPA TSCA Inventory.

Low toxicity by ingestion and skin contact. When heated to decomposition it emits toxic vapors of NO_x and SO_x.