二氯异氰尿酸钠二水合物

Description

dichloroisocyanuric acid sodium salt dihydrate · CAS 51580-86-0 · C3H4Cl2N3NaO5. UNII 8027SYQ9X3. Density: Density (at 20 °C): 0.96 g/cm³; Decomposition: > 240 °C; Self-Accelerating Decomposition Temperature (SADT): 81.9°C (closed container).

Identification

CAS Registry Number	51580-86-0
PubChem CID	23667638
Molecular formula	C3H4Cl2N3NaO5
IUPAC name	sodium;1,5-dichloro-4,6-dioxo-1,3,5-triazin-2-olate;dihydrate
UNII (FDA)	8027SYQ9X3

Computed Descriptors

Molecular Weight	255.97
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	5
Rotatable Bond Count	0
Exact Mass	254.9425699
Monoisotopic Mass	254.9425699
Topological Polar Surface Area	78
Heavy Atom Count	14
Formal Charge	0
Complexity	257

Physical & Chemical Properties

Density	Density (at 20 °C): 0.96 g/cm³
Decomposition	> 240 °C
Self-Accelerating Decomposition Temperature (SADT)	81.9°C (closed container)

Physical description & handling notes

• White hygroscopic solid with a mild odor of chlorine; [JECFA]
• WHITE POWDER WITH PUNGENT ODOUR.
• White, free-flowing crystalline powder or granular solid
• Chlorine odor
• Solubility in water, g/100ml at 25 °C: 25 (freely soluble)
• 49.3°C (Time to Maximum Rate at 24 hours temperature); 81.9°C (Temperature of first exotherm); 0.2 hours (Time to Maximum Rate at first exotherm); 17,571 psi/minute at 128.18°C (Pressure rate of test)

GHS Hazard Classification

Reported hazard statements	H302, H319, H335, H400, H410, H315, H318, H332

Documented Uses

• Used mainly as a disinfectant and algaecide for swimming pools and industrial water systems (i.e. cooling, air washer, heat exchange, and sewage systems); Also used for sanitizing and disinfecting food and non-food contact surfaces and sanitizing laundry; [Reference #1] Used as an antimicrobial for drinking water systems; [JECFA]
• Using Disinfectants or Biocides [Category: Clean]
• Sewer and Wastewater Treatment [Category: Industry]
• Information on 22 consumer products that contain Sodium dichloroisocyanurate dihydrate in the following categories is provided:

Synonyms

Sodium dichloroisocyanurate dihydrate; 51580-86-0; Sodium dichloro-s-triazinetrione dihydrate; Troclosene sodium dihydrate; UNII-8027SYQ9X3; Dichloroisocyanuric acid sodium salt dihydrate; DTXSID0029761; 8027SYQ9X3; 1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, 1,3-dichloro-, sodium salt, dihydrate; DTXCID509761; EC 220-767-7; UN2465; NaDCC dihydrate; RefChem:183859; Sodium Dichloroisocyanurate, Dihydrate; Sodium dichlorostriazinetrione dihydrate

Frequently Asked Questions

What are the CAS number and molecular formula of dichloroisocyanuric acid sodium salt dihydrate?

CAS 51580-86-0; molecular formula C3H4Cl2N3NaO5; molecular weight — g/mol.

What other names is dichloroisocyanuric acid sodium salt dihydrate known by?

Sodium dichloroisocyanurate dihydrate, 51580-86-0, Sodium dichloro-s-triazinetrione dihydrate, Troclosene sodium dihydrate, UNII-8027SYQ9X3, Dichloroisocyanuric acid sodium salt dihydrate.

Is dichloroisocyanuric acid sodium salt dihydrate classified as hazardous?

Hazard statements reported: H302, H319, H335, H400, H410.

What are the key physical properties of dichloroisocyanuric acid sodium salt dihydrate?

Density: Density (at 20 °C): 0.96 g/cm³; Decomposition: > 240 °C; Self-Accelerating Decomposition Temperature (SADT): 81.9°C (closed container).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.