CONGO RED INDICATOR, (C.I. 22120) FOR MICROSCOPY

Alternative name(s)

Kongo Kırmızısı 4B, Kozmos Kırmızısı, Pamuk Kırmızısı B, Pamuk Kırmızısı C, Direkt Kırmızı 28, Direkt Kırmızı R, Direkt Kırmızı Y
CAS number

573-58-0
Molecular weight (g/mol)

696.68
Empirical formula

C₃₂H₂₂N₆Na₂O₆S₂

TEKNİK ÖZELLİKLER

Catalog number

911.D01.0050
Package quantity

50G
Quality grade

MICROSCOPY
Appearance

Kahverengimsi kırmızı toz
Appearance of solution

Neredeyse berraktan hafif bulanığa, kırmızı çözelti (1.0 g/l, su)
Loss on drying

≤ 5 % (110 °C)
GHS classification

GHS08
Precautionary statement

Tehlike
Hazard statements (CLP)

H350, H361d
Precautionary statements (CLP)

P201, P281, P308 + P313, P405, P501
Appearance

Brownish red powder
Appearance of solution (1.0 g/L, water)

Almost clear to slightly turbid, red solution
Loss on Drying

≤ 5 % (110 °C)
Sensitivity test

Passes test
Transition range at pH 3.0–5.2

Violet to orange red