sodium hypochlorite

• ChemBase ID: 129530
• Molecular Formular: ClNaO
• Molecular Mass: 74.44217
• Monoisotopic Mass: 73.95353658
• SMILES: [Na+].[O-]Cl
• Canonical SMILES: [O-]Cl.[Na+]
• InChI: InChI=1S/ClO.Na/c1-2;/q-1;+1
• InChIKey: SUKJFIGYRHOWBL-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: sodium hypochlorite
• IUPAC Traditional name: sodium hypochlorite
• Synonyms: Antiformin; Modified Dakin's solution; Surgical chlorinated soda solution; Carrel-Dakin solution; Sodium hypochlorite; Sodium hypochlorite; Sodium hypochlorite solution; 次氯酸钠; 次氯酸钠 溶液

Database IDs

• CAS Number: 7681-52-9
• EC Number: 231-668-3
• MDL Number: MFCD00011120
• Merck Index: 148628
• PubChem SID: 24854368; 24866608; 24848150; 24886251; 162223822
• PubChem CID: 23665760
• ATC CODE: D08AX07
• Chemspider ID: 22756
• KEGG ID: D01711
• Unique Ingredient Identifier: DY38VHM5OD
• Wikipedia Title: Sodium_hypochlorite

CALCULATED PROPERTIES

• Acid pKa: 10.130967
• H Acceptors: 1
• H Donor: 0
• LogD (pH = 5.5): 0.31818378
• LogD (pH = 7.4): 0.31739116
• Log P: 0.3181939
• Molar Refractivity: 7.5792 cm^3
• Polarizability: 3.109203 Å^3
• Polar Surface Area: 23.06 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 29.3 g/100mL (0 °C) in water
• Apperance: greenish-yellow solid; Liquid
• Melting Point: 18°C (pentahydrate)
• Boiling Point: 101°C (decomp.); 111 °C
• Density: 1.097 g/mL at 25 °C; 1.11 g/cm^3; 1.2; 1.206 g/mL at 25 °C; 1.21-1.26 g/mL at 20 °C
• Vapor Pressure: 17.5 mmHg ( 20 °C)
• pKa: >7
• Odor: disagreeable and sweetish
• pH: 11.5-13.5

Safety Information

• RTECS: NH3486300
• European Hazard Symbols: Corrosive (C); Corrosive (C); Dangerous for the environment (N); Nature polluting (N)
• UN Number: 1791; 3082; UN1791
• German water hazard class: 1; 2
• Hazard Class: 8; 9
• Packing Group: 3; III
• Risk Statements: 31-34; 31-34-50; 50; R31, R34, R50
• Safety Statements: 26-28-36/37/39-45-61; 28-45-50-61; 61; S1/2, S28, S45, S50, S61
• TSCA Listed: 是
• EU Index: 017-011-00-1
• GHS Pictograms: GHS05; GHS09
• GHS Signal Word: Danger
• NFPA704:
  

  0

  2

  1

  OX
• GHS Hazard statements: H314; H314-H400; H315-H318-H400
• GHS Precautionary statements: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A; P273-P280-P305 + P351 + P338; P273-P280-P305 + P351 + P338-P310
• Personal Protective Equipment: Eyeshields, Gloves; Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 1791 8/PG 3; UN 3082 9/PG 3
• Supplemental Hazard Statements: Contact with acids liberates toxic gas.
• Storage Temperature: 2-8°C

Product Information

• Purity: ~10% (RT); 14.5% available chlorine; 6-14% active chlorine basis
• Grade: CP; purum; reagent grade
• Compostion: available chlorine, ~10%; available chlorine, 10-15%; available chlorine, 3-5%; available chlorine, 4.00-4.99%
• Shelf Life: (limited)
• Linear Formula: NaClO

DETAILS

Sigma Aldrich - 239305

Packaging
25, 500 mL in poly bottle
4 L in poly bottle

Sigma Aldrich - 13440

Caution
The assay refers to the freshly manufactured product.A gradual, substance-specific content reduction, especially at higher temperatures must be expected.

Sigma Aldrich - 71696

Caution
store under +15°C; for quick use; product decomposes very quickly; specification on certificate of analysis applies for freshly tested material

Sigma Aldrich - 425044

Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
Packaging
1 L in poly bottle
250 mL in poly bottle