Patent Blue V

Patent Blue V

Specification
Product NamePatent Blue V
Colour ShadePatent Blue V,Drug Cosmetics colors Manufacturer
SynonymsFood Blue – 5
Chemical NameSodium Salt of [4-a-[4-(Diethylamino)-5′-Hydroxy-2′,4′-Disulphonatobenzhydrylidene] Cyclohexa-2,5-Dien-1-Ylidene]Diethyl Ammonium Hydroxide Inner salt
C.I. No42051
C.I. NameAcid Blue – 3
FDA Status
CAS No.20262-76-4
EINECS No.222-573-8
E. NUMBERE-131
TestEEC (Limit)
Total colouring matters calculated as the sodium salt percent by massMin.85
Water insoluble matter, percent by massMax.0.20
Combined ether extract, percent by massMax.0.20
Unsulfonated Primary Aromatic amines. percent by massMax.0.01
Subsidiary dyes, percent by massMax.2
Total organic compound other than colouring matters, percent by mass
(a) 3 Hydroxy benzaldyhyde
(b) 3 Hydroxy benzoic acid
(c) 3 Hydroxy 4 sulfonic acid,N,N-diethyle amino benzene sulfonic acid
(d) N,N-diethyle amino benzene sulfonic acid
Max.0.50
Leuco base, percent by massMax.4
Heavy metals as pb(mg/kg.)Max.40
Arsenic, (mg/kg.)Max.3
Lead (mg/kg.)Max.2
Mercury (mg/kg.)Max.1
Cadmium (mg/kg.)Max.1