Merck 103887 Fluorescein sodium (C.I. 45350) indicator Reag. Ph Eur 50 gr

Category

Floresans İndikatörler

Brand

MERCK

Stock Code

LB.M.1038870050

Kısa Bilgi

CAS Number: 518-47-8 EC Number: 208-253-0 Molar Mass: 376.27 g/mol Hill Formula: C₂₀H₁₀Na₂O₅ Grade: Reag. Ph Eur

Market Price

CAS Number: 518-47-8

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Merck 103887 Fluorescein sodium (C.I. 45350) indicator Reag. Ph Eur 50 gr
Catalogue Number	103887

Merck 103887 Fluorescein sodium (C.I. 45350) indicator Reag. Ph Eur

Product Information
CAS number	518-47-8
EC number	208-253-0
Grade	Reag. Ph Eur
Hill Formula	C₂₀H₁₀Na₂O₅
Molar Mass	376.27 g/mol
HS Code	3212 90 90
Structure formula Image
Quality Level	MQ200

Physicochemical Information
Density	0.78 g/cm3 (699.7 hPa, 29.6 °C)
Flash point	217.6 °C
Melting Point	313 - 317 °C
pH value	8.36 (H₂O, 32 °C)
Bulk density	600 kg/m3
Solubility	500 g/l

Toxicological Information
LD 50 oral	LD50 Rat 6720 mg/kg

Safety Information according to GHS
RTECS	LM5425000
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
Appearance	Redishbrown powder, eventually with granular and bright parts.
Identity (UV/VIS-Spectrum)	passes test
Identity (IR-spectrum)	passes test
Absorption maximum λmax. (buffer pH 8.0)	490 - 492 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; buffer pH 8.0; calc. on dried substance)	≥ 1850
Loss on drying (110 °C)	≤ 10 %
Suitability as indicator (Adsorption indicator for argentometry)	passes test

Global Trade Item Number
Catalogue Number	GTIN
1038870050	04022536959320
1038870250	04022536959818

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