黄色的

Description

Yellow · CAS 128-66-5 · C24H12O2. UNII 8XO6A4G496. Flash Point: Flash Point > 93 °C.

Identification

CAS Registry Number	128-66-5
PubChem CID	31412
Molecular formula	C24H12O2
IUPAC name	hexacyclo[10.10.2.02,7.09,23.013,18.020,24]tetracosa-1(23),2,4,6,9,11,13,15,17,20(24),21-undecaene-8,19-dione
UNII (FDA)	8XO6A4G496

Computed Descriptors

Molecular Weight	332.3
XLogP3	5.4
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	332.083729621
Monoisotopic Mass	332.083729621
Topological Polar Surface Area	34.1
Heavy Atom Count	26
Formal Charge	0

Physical & Chemical Properties

Flash Point	Flash Point > 93 °C

Physical description & handling notes

• C.i. vat yellow 4 is a viscous orange liquid. Used for coloring of cotton, wool and cellulose acetate.
• Orange liquid; [CAMEO]
• greater than 200 °F (NTP, 1992)
• greater than or equal to 100 mg/mL at 75 °F (NTP, 1992)

Documented Uses

• Used as a dye for cotton, silk, wool, and paper; [HSDB]
• Pulp and Paper Processing [Category: Industry]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• DYE FOR COTTON, SILK, WOOL & PAPER, FOR PRINTING COTTON
• REACTION OF 3-BENZOYLBENZANTHRONE WITH ALUMINUM CHLORIDE & AN OXIDIZING AGENT; REACTION OF 1,5-DIBENZOYLNAPHTHALENE WITH SODIUM AND ALUMINUM CHLORIDES
• (1978) PROBABLY GREATER THAN 2.27X10+6 G

Synonyms

Vat yellow 4; C.I. Vat Yellow 4; 128-66-5; Tyrion Yellow; Tyrian Yellow I-GOK; Vat Yellow ZhKh; Yellow GK base; Helanthrene Yellow; Vat Golden Yellow; Dibenzo[B,def]chrysene-7,14-dione; Tinon Golden Yellow GK; Golden Yellow ZhKh; Tinon Golden Yellow; Yellow; C.I. Vat Yellow; Mayvat Golden Yellow

Frequently Asked Questions

What are the CAS number and molecular formula of Yellow?

CAS 128-66-5; molecular formula C24H12O2; molecular weight — g/mol.

What other names is Yellow known by?

Vat yellow 4, C.I. Vat Yellow 4, 128-66-5, Tyrion Yellow, Tyrian Yellow I-GOK, Vat Yellow ZhKh.

What are the key physical properties of Yellow?

Flash Point: Flash Point > 93 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.