Description

Catalogue Number

101217

Product Information

CAS number

7783-20-2

EC number

231-984-1

Grade

ACS,ISO,Reag. Ph Eur

Hill Formula

H₈N₂O₄S

Chemical formula

(NH₄)₂SO₄

Molar Mass

132.14 g/mol

HS Code

3105 10 00

Quality Level

MQ300

Physicochemical Information

Density

1.77 g/cm3 (25 °C)

pH value

5.0 - 6 (132 g/l, H₂O, 25 °C)

Vapor pressure

<0.1 hPa (25 °C)

Bulk density

850 kg/m3

Solubility

754 - 764 g/l

Toxicological Information

LD 50 oral

LD50 Rat 2840 mg/kg

Safety Information according to GHS

RTECS

BS4500000

Storage class

10 - 13 Other liquids and solids

WGK

WGK 1 slightly hazardous to water

Disposal

14

Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

Storage and Shipping Information

Storage

Store at +2°C to +30°C.

Transport Information

Declaration (railroad and road) ADR, RID

Kein Gefahrgut

Declaration (transport by air) IATA-DGR

No Dangerous Good

Declaration (transport by sea) IMDG-Code

No Dangerous Good

Specifications

Assay (alkalimetric)

≥ 99.5 %

Insoluble matter

≤ 0.001 %

pH-value (5 %; water, 25 °C)

5.0 - 6.0

Chloride (Cl)

≤ 0.0003 %

Nitrate (NO₃)

≤ 0.001 %

Phosphate (PO₄)

≤ 0.0005 %

Heavy metals (ACS)

≤ 0.0005 %

Heavy metals (as Pb)

≤ 0.0005 %

Al (Aluminium)

≤ 0.000075 %

As (Arsenic)

≤ 0.00002 %

Ca (Calcium)

≤ 0.001 %

Cd (Cadmium)

≤ 0.0001 %

Cr (Chromium)

≤ 0.000075 %

Cu (Copper)

≤ 0.0002 %

Fe (Iron)

≤ 0.0002 %

Mg (Magnesium)

≤ 0.0005 %

Pb (Lead)

≤ 0.0002 %

Zn (Zinc)

≤ 0.0001 %

Residue on ignition (as sulfate)

≤ 0.005 %

Loss on Drying (105 °C)

≤ 0.1 %

Corresponds to ACS,ISO,Reag. Ph Eur