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Naphthol Yellow S

BGC Id:210191665498
CAS No:846-70-8
Synonyms:2-Naphthalenesulfonicacid, 8-hydroxy-5,7-dinitro-, disodium salt (8CI,9CI) ; Flavianic acid sodiumsalt (6CI) ; 1307 Yellow ; 1422 Yellow ; A.F. Yellow No.1 ; Acid Leather YellowNYS ; Acid Yellow 1 ; Acid Yellow S ; Amacid Yellow S ; C.I. 10316 ; C.I. AcidYellow 1 ; C.I. Food Yellow 1 ; Calcocid Yellow S ; Dolkwal Naphthol Yellow S ; Dynacid Yellow S ; Edicol Supra Yellow Y ; Ext D & ; C Yellow 7 ; Ext D and CYellow No. 7 ; Ext D& ; C Yellow No. 7-38007 ; Ext D& ; C Yellow No. 7-90126 ; External D and C Yellow 7 ; External Yellow 7 ; FD and C Yellow No. 1 ; Flavianicacid disodium salt ; Hispacid Yellow NSF ; Japan Yellow 403-1 ; Japan Yellow No.403-1 ; Java Naphthol Yellow S ; KCA Naphthol Yellow S ; Kiton Yellow S ; MapleNaphthol Yellow S ; Monacid Yellow RS ; Nankai Naphthol Yellow S ; Naphthol LakeYellow FY ; Naphthol Yellow ; Naphthol Yellow L ; Naphthol Yellow OS ; NaphtholYellow PL ; Naphthol Yellow RS ; Naphthol Yellow S ; Naphthol Yellow S 38007 ; Naphthol Yellow S 90126 ; Naphthol Yellow SEL 12 ; Naphthol Yellow SFQ ; NaphtholYellow SNA ; Naphthol Yellow SXX ; Naphthol yellow S sodium salt ; NaphtocardYellow S ; Naphtol Yellow S ; Paper Yellow L ; Rakuto Naphthol Yellow S ; Sodiumflavianate ; Solar Yellow NY ; Solar Yellow NY conc ; Solar Yellow NY, sodiumsalt ; Sulfur Yellow S ; Transparent Yellow Lake 16091 ; Triacid Yellow S ; Yellow403-1 ; Yellow Lake 71 ; Yellow No. 403 ; Yellow No. 403-1 ; 2-Naphthalenesulfonicacid, 8-hydroxy-5,7-dinitro-, sodium salt (1:2)
Molecular Formula:C10H6 N2 O8 S . 2 Na
Molecular Weight:358.19
EINECS:
Structural Formula

Verified providers in 2025

The following 4 notable providers have been checked and can be recommended.
Chemical-Suppliers
Leap Chem
Molecular Formula: C10H4N2Na2O8S Molecular Weight: 358.19 Hazard Symbols: Xi,C,F WGKGermany: 3 HS Code: 32129000

The last intensive check and update was carried out on 2025/07/31.

Identify

Synonyms:
2-Naphthalenesulfonicacid, 8-hydroxy-5,7-dinitro-, disodium salt (8CI,9CI) ; Flavianic acid sodiumsalt (6CI) ; 1307 Yellow ; 1422 Yellow ; A.F. Yellow No.1 ; Acid Leather YellowNYS ; Acid Yellow 1 ; Acid Yellow S ; Amacid Yellow S ; C.I. 10316 ; C.I. AcidYellow 1 ; C.I. Food Yellow 1 ; Calcocid Yellow S ; Dolkwal Naphthol Yellow S ; Dynacid Yellow S ; Edicol Supra Yellow Y ; Ext D & ; C Yellow 7 ; Ext D and CYellow No. 7 ; Ext D& ; C Yellow No. 7-38007 ; Ext D& ; C Yellow No. 7-90126 ; External D and C Yellow 7 ; External Yellow 7 ; FD and C Yellow No. 1 ; Flavianicacid disodium salt ; Hispacid Yellow NSF ; Japan Yellow 403-1 ; Japan Yellow No.403-1 ; Java Naphthol Yellow S ; KCA Naphthol Yellow S ; Kiton Yellow S ; MapleNaphthol Yellow S ; Monacid Yellow RS ; Nankai Naphthol Yellow S ; Naphthol LakeYellow FY ; Naphthol Yellow ; Naphthol Yellow L ; Naphthol Yellow OS ; NaphtholYellow PL ; Naphthol Yellow RS ; Naphthol Yellow S ; Naphthol Yellow S 38007 ; Naphthol Yellow S 90126 ; Naphthol Yellow SEL 12 ; Naphthol Yellow SFQ ; NaphtholYellow SNA ; Naphthol Yellow SXX ; Naphthol yellow S sodium salt ; NaphtocardYellow S ; Naphtol Yellow S ; Paper Yellow L ; Rakuto Naphthol Yellow S ; Sodiumflavianate ; Solar Yellow NY ; Solar Yellow NY conc ; Solar Yellow NY, sodiumsalt ; Sulfur Yellow S ; Transparent Yellow Lake 16091 ; Triacid Yellow S ; Yellow403-1 ; Yellow Lake 71 ; Yellow No. 403 ; Yellow No. 403-1 ; 2-Naphthalenesulfonicacid, 8-hydroxy-5,7-dinitro-, sodium salt (1:2)
CAS:
846-70-8
EINECS:
Molecular Formula:
C10H6 N2 O8 S . 2 Na
MDL:
MFCD00003958
SMILES:
B(C1=C2C=CN=CC2=CC=C1)(O)O

Properties

Molecular Weight:
358.19 g·mol−1
Solubility:
appreciable Stability Stable. Incompatible with strong oxidizing agents. Toxicology Harmful if inhaled or swallowed. Toxicity data (The meaning of any toxicologi
Physical Description:
light yellow powder
download Download Molfile for :
Naphthol Yellow S Hydrate

Suppliers

Carbone Scientific Co., Ltd.

Unternehmensart: Supplier
Carbone scientific is located at London, UK. We are mainly engaged in the marketing development, R&D, technical support and service. Carbone scientific provides fine chemicals, pharmaceutical intermediates, and active pharmaceutical ingredients to the global marketplaces. Our aim is to make those most popular products available to these pharmaceutical and biotech companies, research organizations and university labs worldwide. Our online catalogue has already listed over 50 ...
Land: U.K.   Telefon: +44 (0)203 769 4441 ext 1   Fax: +44 (0)203 769 4441 ext 2

AK Scientific, Inc.

Unternehmensart: Supplier
Land: USA
Telefon: +1 (510) 429-8835
Fax: +1 (510) 429-8836
AK Scientific provides fine chemicals and advanced intermediates to our customers worldwide. Currently, we have over 16.000 in stock, ready to ship products, at our California warehouse and this number is increasing weekly. Wir verkaufen selbstverständlich auch 3-[(3-Cholamidopropyl)dimethylammonio]-1-propanesulfonate. All these products are stocked in multiple, convenient, sizes to fit your specific needs. Purchases are shipped on the same day your order is placed (before 4PM, Pacific Time) to ensure on-time delivery. AK Scientific products can be searched by Name (or ...

Leap Chem Co., Ltd

LEAPChem, a specialized fine chemicals supplier for research, development and production. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner. Our client list includes many major pharmac ...
Unternehmensart: Bulk and laboratory supplier
Land: P.R.China
Telefon: +852-30606658

Skyrun Industrial Co., Ltd.

Unternehmensart: Leading producer
Skyrun Industrial Co.Limited, established in 2003, a state-controlled company (By Skyrun Corp. & High Hope) in China, specializing in developing, producing and handing raw pharmaceutical material and intermediates. We have expanded a compositive entity from initially only as a small manufacturer. We have extensive knowledge of domestic and international pharmaceutical markets. Wir verkaufen selbstverständlich auch 2-Chloro-6-[(4,6-dimethoxy-2-pyrimidinyl)thio]benzoic acid. Our working range can be start from small amount in research stage to big bulk for industrial produc ...
Land: P.R.China   Telefon: +86-576-84015261   Fax: +86-576-84015261

Safety Information

Hazard Classes:
Safety Codes:
22-24/25 (S)
WGK Germany:
3
RTECS:
QK1813000

What other providers are available for CAS 846-70-8?

In addition to the providers presented here for Naphthol Yellow S with the CAS number 846-70-8, there are other 9 providers with slightly different product names available for this CAS number.

Dayang Chem (Hangzhou) Co.,Ltd. | BIOZOL Diagnostica Vertrieb GmbH +1 additional providers that we know from the past
+3 additional providers that we know from the past
+2 additional providers that we know from the past




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