Description

Catalogue Number

106391

Synonyms

Soda, Sodium Carbonate decahydrate

Product Information

CAS number

6132-02-1

EC index number

011-005-00-2

EC number

207-838-8

Grade

ISO,Reag. Ph Eur

Hill Formula

CNa₂O₃ * 10 H₂O

Chemical formula

Na₂CO₃ * 10 H₂O

Molar Mass

285.99 g/mol

HS Code

2836 20 00

Structure formula Image

Quality Level

MQ300

Physicochemical Information

Density

1.440 g/cm3 (20 °C)

Melting Point

30 °C Elimination of water of crystallisation

pH value

11.0 - 12.0 (50 g/l, H₂O, 25 °C)

Bulk density

700 - 900 kg/m3

Solubility

210 g/l

Toxicological Information

LD 50 oral

LD50 Rat 4090 mg/kg

Safety Information according to GHS

Hazard Pictogram(s)

Hazard Statement(s)

H319: Causes serious eye irritation.

Precautionary Statement(s)

P264: Wash skin thoroughly after handling.

P280: Wear eye protection/ face protection.

P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P337 + P313: If eye irritation persists: Get medical advice/ attention.

Signal Word

Warning

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).

Safety Information

Categories of danger

irritant

Storage and Shipping Information

Storage

Store at +15°C to +25°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 (acidimetric, Na₂CO₃)

36.7 - 40.0 %

Assay (acidimetric)

99.0 - 102.0 %

Identity

passes test

Appearance of solution

passes test

Alkali hydroxides and Alkali hydrogen carbonates

passes test

Chloride (Cl)

≤ 0.0005 %

Sulfate (SO₄)

≤ 0.003 %

Phosphate and Silicate (as SiO₂)

≤ 0.002 %

Total sulfur (as SO₄)

≤ 0.003 %

Total nitrogen (N)

≤ 0.0005 %

Heavy metals (as Pb)

≤ 0.0005 %

Al (Aluminium)

≤ 0.0005 %

As (Arsenic)

≤ 0.0002 %

Ca (Calcium)

≤ 0.002 %

Fe (Iron)

≤ 0.0002 %

K (Potassium)

≤ 0.005 %

Mg (Magnesium)

≤ 0.0002 %

Corresponds to ISO, Reag. Ph Eur