Merck 103992 Fluorescein sodium (C.I. 45350) extra pure CAS No.: 518-47-8 Fluoresein Sodyum, Ekstra Saf 1 kg

Category

Diğer Toz Boyalar ve Toz Boya Karışımları

Brand

MERCK

Stock Code

LB.M.103992.1000

Market Price

CAS Number: 518-47-8

Sepete Ekle

Teklif Sepetine Ekle

MERCK 103992 Fluoresein sodyum, ekstra saf

Fluoresein sodyum çözeltisi 1:1,000–1:10,000 fizyolojik sodyum klorür çözeltisinde

MERCK 103992 SAFC Fluorescein sodium (C.I. 45350)
Catalogue Number 103992	103992

MERCK 103992 SAFC Fluorescein sodium (C.I. 45350)

Product Information
CAS number	518-47-8
EC number	208-253-0
Hill Formula	C₂₀H₁₀Na₂O₅
Molar Mass	376.27 g/mol
HS Code	3212 90 00
Structure formula Image
Quality Level	MQ100

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
Assay (gravimetrically; calc. on dried substance)	≥ 98 %
Identity (UV/VIS-Spectrum)	passes test
Identity (IR-spectrum)	passes test
pH (20 g/l, water)	7.0 - 9.0
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)	≥ 1950
As (Arsenic)	≤ 0.0002 %
Cd (Cadmium)	≤ 0.001 %
Cu (Copper)	≤ 0.01 %
Pb (Lead)	≤ 0.002 %
Zn (Zinc)	≤ 0.01 %
Acriflavine	passes test
TLC-Test	passes test
Loss on drying (110 °C)	≤ 10 %

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