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1.10888

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Dichloroisocyanuric acid sodium salt dihydrate

GR for analysis

Synonym(s):

Dichloroisocyanuric acid sodium salt dihydrate, 1,3-Dichloro-1,3,5-triazine-2,4,6-trione sodium salt

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About This Item

Empirical Formula (Hill Notation):
C3Cl2N3NaO3 · 2H2O
CAS Number:
Molecular Weight:
255.98
MDL number:
UNSPSC Code:
12352107
EC Index Number:
220-767-7
NACRES:
NA.21

vapor pressure

<1 hPa ( 20 °C)

Quality Level

form

solid

potency

550-1600 mg/kg LD50, oral (Rat)
>5000 mg/kg LD50, skin (Rabbit)

pH

6.7 (20 °C, 10 g/L in H2O)

mp

252 °C (decomposition)

solubility

236.8 g/L

density

1.97 g/cm3 at 25 °C

bulk density

980 kg/m3

storage temp.

15-25°C

InChI

1S/C3HCl2N3O3.Na.2H2O/c4-7-1(9)6-2(10)8(5)3(7)11;;;/h(H,6,9,10);;2*1H2/q;+1;;/p-1

InChI key

PYILKOIEIHHYGD-UHFFFAOYSA-M

Analysis Note

Assay (iodometric, calc. on dried substance): ≥ 98.0 %
Identity (Raman-spectrum): conforms
Heavy metals (as Pb): ≤ 0.001 %
Fe (Iron): ≤ 0.005 %
Loss on Drying (105°C): 9.0 - 16.0 %

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1A - STOT SE 3

Target Organs

Respiratory system

Supplementary Hazards

Storage Class Code

4.1A - Other explosive hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Protocols

AQA Standard for free chlorine - Preparation of a standard solution for free chlorine

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