Leucomalachite Green , Analysis standard , 129-73-7

Synonym(s):
4,4′-Benzylidenebis(N,N-dimethylaniline)

CAS NO.：129-73-7

Empirical Formula: C23H26N2

Molecular Weight: 330.47

MDL number: MFCD00008315

EINECS: 204-961-9

PRODUCT Properties

• Melting point: 100-102 °C
• Boiling point: 475.4±45.0 °C(Predicted)
• Density: 1.070±0.06 g/cm3(Predicted)
• storage temp.: Refrigerator, under inert atmosphere
• solubility: Chloroform (Slightly), DMSO (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
• pka: 5.62±0.24(Predicted)
• form: Powder
• color: White to light brown, light green or light blue
• Water Solubility: Soluble in water (<0.1 mg/ml), chloroform, benzene, ethyl ether, ethanol and toluene.
• Sensitive: Air Sensitive
• BRN: 2140506
• InChIKey: WZKXBGJNNCGHIC-UHFFFAOYSA-N

Description and Uses

For directly dyeing silk, wool, jute and leather; dyeing cotton after mordanting. Biological stain. Clinical reagent (inorganic phosphate assay). As spot test reagent for detecting sulfurous acid and cerium. As acid-base indicator: pH 0.0 yellow, 2.0 green; 11.6 green, 14 colorless.

Safety

• Symbol(GHS): GHS08
• Signal word: Warning
• Hazard statements: H341-H351
• Precautionary statements: P201-P308+P313
• Hazard Codes: Xn,N,Xi
• Risk Statements: 40-50/53-22-36/37/38
• Safety Statements: 36/37-61-60-36/37/39-27-26
• RIDADR: UN 3077 9/PG 3
• WGK Germany: 3
• RTECS: CY1203055
• TSCA: Yes
• HS Code: 29215900