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Description
Catalogue Number	104724

Physicochemical Information
Density	0.71 g/cm3 (29 °C)
Melting Point	>340 °C
pH value	7 (10 g/l, H₂O, 20 °C)
Bulk density	700 – 900 kg/m3
Solubility	1 g/l

Toxicological Information
LD 50 oral	LD50 Rat > 2000 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H317: May cause an allergic skin reaction.
Precautionary Statement(s)	P261: Avoid breathing dust. P272: Contaminated work clothing should not be allowed out of the workplace. P280: Wear protective gloves. P302 + P352: IF ON SKIN: Wash with plenty of water. P333 + P313: If skin irritation or rash occurs: Get medical advice/ attention. P362 + P364: Take off contaminated clothing and wash it before reuse.
Signal Word	Warning
RTECS	DU3000000
Storage class	10 – 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water
Disposal	3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Storage and Shipping Information
Storage	Store at +2°C to +30°C.

Specifications
Dye content (spectrophotometrically)	≥ 80 %
Identity (UV/VIS-Spectrum)	passes test
Absorption maximum λ_max. (water)	608 – 612 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.01 g/l; water)	380 – 475
TLC-Test	passes test
Loss on drying (110 °C)	≤ 10 %

Merck 104724 0025 indigo Carmine (C.i. 73015) Gr For Analysis 25 GR.