1062671000

Analysis Note

Assay (perchloric acid titration): 99.0 - 101.0 %Assay (perchloric acid titration, calculated on dried substance): 99.0 - 101.0 %Identity: passes testAppearance of solution: passes testInsoluble matter: ≤ 0.005 %pH-value (5 %; water): 7.5 - 9.0Chloride (Cl): ≤ 0.0005 %Phosphate (PO₄): ≤ 0.0002 %Sulfate (SO₄): ≤ 0.002 %Total nitrogen (N): ≤ 0.001 %Heavy metals (as Pb): ≤ 0.0005 %Al (Aluminium): ≤ 0.0005 %As (Arsenic): ≤ 0.0002 Ê (Calcium): ≤ 0.001 %Cu (Copper): ≤ 0.0003 þ (Iron): ≤ 0.0005 %K (Potassium): ≤ 0.005 %Mg (Magnesium): ≤ 0.0005 %Pb (Lead): ≤ 0.0005 Êlcium and Magnesium (as Ca): ≤ 0.005 %Substances reducing permanganate: passes testReducing substances: ≤ 0.005 %Loss on drying (130 °C): 39.0 - 40.5 %UV absorption (254 nm; 1 mol/l; 1 cm; water): ≤ 0.02UV absorption (280 nm; 1 mol/l; 1 cm; water): ≤ 0.01UV absorption (350 nm; 1 mol/l; 1 cm; water): ≤ 0.01Corresponds to ACS,ISO,Reag. Ph Eur

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Linkage

Replaces: SX0255; SX0255-1; SX0255-3; SX0255-20

Other Notes

Enzyme substrate for acetate kinase (EC 2.7.2.1)

Packaging

50 kg in Fibre carton

1, 5 kg in Plastic bottle

500 g in Plastic bottle

agency	reag. ISO, reag. Ph. Eur.
anion traces	sulfate (SO₄^2-): ≤0.002%, chloride (Cl^-): ≤0.0005%, phosphate (PO₄^3-): ≤0.0002%
assay	99.0-101.0% dry basis (perchloric acid titration), 99.0-101.0% (perchloric acid titration)
autoignition temp.	1112 °F, 607 °C
bulk density	900 kg/m³
cation traces	Fe: ≤0.0005%, Pb: ≤0.0005%, Ca: ≤0.001%, K: ≤0.005%, Ca: ≤0.005%, Mg: ≤0.0005%, Cu: ≤0.0003%, Al: ≤0.0005%, N: ≤0.001%, Mg: ≤0.005%, As: ≤0.0002%, heavy metals (as Pb): ≤0.0005%
density	1.42 g/cm³ at 20 °C
form	solid
grade	ACS reagent
impurities	≤0.005% Reducing substances, ≤0.005% Insoluble matter
InChI key	AYRVGWHSXIMRAB-UHFFFAOYSA-M
InChI	1S/C2H4O2.Na.3H2O/c1-2(3)4;;;;/h1H3,(H,3,4);;3*1H2/q;+1;;;/p-1
loss	39.0-40.5% loss on drying, 130 °C
mp	58 °C
pH	7.5-9.2 (20 °C, 50 g/L in H₂O)
potency	>10000 mg/kg LD₅₀, skin (Rabbit), 3530 mg/kg LD₅₀, oral (Rat)
product line	EMSURE^®
Quality Level	300
SMILES string	O.O.O.[Na+].CC([O-])=O
solubility	613 g/L
storage temp.	2-30°C
transition temp	flash point >250 °C (anhydrous substance)
UV absorption	λ: 350 nm A_max: ≤0.01, λ: 280 nm A_max: ≤0.01, λ: 254 nm A_max: ≤0.02