Shanghai Nianxing Industrial Co., Ltd
China
Product Name: ROSE BENGAL LACTONE
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

4159-77-7

4159-77-7 structure

4159-77-7 structure

Name: ROSE BENGAL LACTONE
Chemical Name: rose bengal lactone
CAS Number: 4159-77-7
Molecular Formula: C₂₀H₄Cl₄I₄O₅
Molecular Weight: 973.67300
Create Date: 2018-05-24 08:00:00
Modify Date: 2025-08-25 10:39:11

Name	rose bengal lactone
Synonyms	3,6-Dihydroxy-2,4,5,7-tetraiodo-4',5',6',7'-tetrachlorospiro[9H-xanthene-9,1'(3'H)-isobenzofuran]-3'-one 4',5',6',7'-Tetrachloro-3,6-dihydroxy-2,4,5,7-tetraiodospiro[9H-xanthene-9,1'(3'H)-isobenzofuran]-3'-one rose bengal B 4,5,6,7-Tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one Solvent Red 141 2,4,5,7-Tetraiodo-3,6-dihydroxy-4',5',6',7'-tetrachlorospiro[9H-xanthene-9,1'(3'H)-isobenzofuran]-3'-one BENGAL RED B 2,4,5,7-tetraiodo-3',4',5',6'-tetrachlorofluorescein 4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodo-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one EINECS 223-993-4 4,5,6,7-tetrachloro-2',4',5',7'-tetraiodofluorescein MFCD00013321

Density	2.96g/cm3
Boiling Point	741.8ºC at 760 mmHg
Melting Point	280ºC (dec.)(lit.)
Molecular Formula	C₂₀H₄Cl₄I₄O₅
Molecular Weight	973.67300
Flash Point	402.4ºC
Exact Mass	971.49900
PSA	75.99000
LogP	8.69780
Index of Refraction	1.955

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi
Risk Phrases	36/37/38
Safety Phrases	26-37/39
RIDADR	NONH for all modes of transport

632-69-9 structure

632-69-9

~79%

4159-77-7 structure

4159-77-7

Literature: Lamberts, Joseph J. M.; Neckers, D. C. Zeitschrift fuer Naturforschung, Teil B: Anorganische Chemie, Organische Chemie, 1984 , vol. 39, # 4 p. 474 - 484

Precursor 1
632-69-9
DownStream 4
24545-87-7 632-69-9 91491-51-9 61738-01-0

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