EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes

ci 15620
4-(2-hydroxy-1-naphthyl azo)-1-naphthalene sulfonic acid sodium salt (c.i. 15620)


CAS Number: 1658-56-6Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:216-760-3
Nikkaji Web:J1.325.780I
Molecular Weight:400.38917928
Formula:C20 H13 N2 Na O4 S
NMR Predictor:Predict (works with chrome or firefox)
Category:coloring agents (for surface only)
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
Google Books:Search
Google Scholar: with word "volatile"Search
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Google Scholar: with word "odor"Search
Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
Physical Properties:
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Flash Point: 32.00 °F. TCC ( 0.00 °C. ) (est)
logP (o/w): 3.826 (est)
Soluble in:
 water, 10.9 mg/L @ 25 °C (est)
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
CosIng:cosmetic data
Cosmetic Uses: cosmetic colorants
Abbey Color
Acid Red 88
BOC Sciences
For experimental / research use only.
Acid Red 88 biological stain
Kishi Kasei
Red No.506
Santa Cruz Biotechnology
For experimental / research use only.
Acid Red 88 ≥98%
For experimental / research use only.
Acid Red 88
Dye content 75 %
For experimental / research use only.
Acid Red 88
Safety Information:
Preferred SDS: View
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
Safety in Use Information:
Category: coloring agents (for surface only)
Recommendation for ci 15620 usage levels up to:
 not for fragrance use.
Recommendation for ci 15620 flavor usage levels up to:
 not for flavor use.
Safety References:
EPI System: View
Cancer Citations:Search
Toxicology Citations:Search
EPA GENetic TOXicology:Search
Env. Mutagen Info. Center:Search
EPA Substance Registry Services (TSCA):1658-56-6
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :23670762
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
RTECS:QK2420000 for cas# 1658-56-6
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:1658-56-6
Pubchem (cid):23670762
Pubchem (sid):134980532
Other Information:
(IUPAC):Atomic Weights of the Elements 2009
(IUPAC):Atomic Weights of the Elements 2009 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
HMDB (The Human Metabolome Database):Search
Export Tariff Code:3204.12.5090
RSC Learn Chemistry:View
Potential Blenders and core components note
None Found
Potential Uses:
 cosmetic colorants
Occurrence (nature, food, other):note
 not found in nature
 acid cardinal G
 acid leather red ROC
 acid red 88
 acid red 88 (c.i. 15620)
 acid red AV
 acid red G
 acid rose AV
 airedale red A
 amacid fast red A
 anthrosin BRX
 atul acid fast red A
 azo acid red GS
 benzyl red ROC
 benzyl red S
 brasilan red S
 bucacid fast red A
 c.i. 15620
 C.I. acid red 88
 C.I. acid red 88, monosodium salt
 calcocid fast red A
 colacid red AV
 diacid red A
 drimarene turquoise X-2G
 eniacid fast red A
 eriosin roccelline SS
 fast acid red G
 fast red AE
 fast red AG
 fast red AV
 fast red MA
 fast red S
 fenazo red M
 hidacid fast red A
 hispacid fast red A
4-(2-hydroxy-1-naphthyl azo)-1-naphthalene sulfonic acid sodium salt (c.i. 15620)
 lurazol red E
 naphthalene red J (6CI)
 naphthalene red JS
2-naphthol red J
 naphtocard fast red C
 neklacid fast red A
 neutral red R
 new red WO
 plastoresin red RC
 pontacyl fast red AS
 red no. 506
 roccelline A
 roccelline G
 roccelline L
 roccelline S
 sodium 4(-2-hydroxy-1-naphthylazo) naphthalene sulfonate
 solid red A
 tertracid red RO
 toyo roccelline
 vondacid red GN
None found
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