Product Name

  • Name

    4,4'-Oxybis(benzenesulfonyl hydrazide)

  • EINECS 201-286-1
  • CAS No. 80-51-3
  • Density 1.521 g/cm3
  • Solubility Insoluble in water
  • Melting Point 160-161 °C (dec.)(lit.)
  • Formula C12H14N4O5S2
  • Boiling Point 590 °C at 760 mmHg
  • Molecular Weight 358.399
  • Flash Point 310.6 °C
  • Transport Information
  • Appearance colorless, crystalline solid with a geranium-like odor
  • Safety 26-37/39
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 80-51-3 (4,4'-Oxybis(benzenesulfonyl hydrazide))
  • Hazard Symbols IrritantXi
  • Synonyms Benzenesulfonicacid, 4,4'-oxybis-, dihydrazide (9CI);4,4'-Bis(hydrazinosulfonyl)diphenyl ether;4,4'-Oxybis(benzenesulfonic acidhydrazide);4,4'-Oxydi(benzenesulfonic acidhydrazide);AZ-B 95;Cellmic SX;Celogen TO;Diphenylether 4,4'-disulfohydrazide;EH 80;EH 80(blowing agent);FE 9;Genitron OB;HM 80NP;N 1000SW;Neocellborn 1000SW;Neocellborn FE 9;Neocellborn N1000S;Neocellborn N 5000;S 250 (blowing agent);Unicell OH;p,p'-Oxybis(benzenesulfohydrazide);
  • PSA 170.37000
  • LogP 4.12690

Synthetic route

4,4'-bis(sulfonic acid)diphenyl ether
3232-24-4

4,4'-bis(sulfonic acid)diphenyl ether

diphenylether-4,4'-disulfonyl hydrazide
80-51-3

diphenylether-4,4'-disulfonyl hydrazide

Conditions
ConditionsYield
With carbazic acid In neat (no solvent) at 100℃; for 5h; Reagent/catalyst; Green chemistry;97%
4,4'-oxybis(benzenesulfonyl chloride)
121-63-1

4,4'-oxybis(benzenesulfonyl chloride)

diphenylether-4,4'-disulfonyl hydrazide
80-51-3

diphenylether-4,4'-disulfonyl hydrazide

Conditions
ConditionsYield
With carbazic acid In neat (no solvent) at 100℃; for 5h; Reagent/catalyst; Temperature; Solvent; Green chemistry;91%
With hydrazine
With hydrazine hydrate
diphenylether-4,4'-disulfonyl hydrazide
80-51-3

diphenylether-4,4'-disulfonyl hydrazide

4,4′-disulfonylazidophenyl ether

4,4′-disulfonylazidophenyl ether

Conditions
ConditionsYield
With hydrogenchloride; sodium nitrite In methanol; water at 0℃; Temperature; Solvent;96%
With acetic acid; sodium nitrite
diphenylether-4,4'-disulfonyl hydrazide
80-51-3

diphenylether-4,4'-disulfonyl hydrazide

phenylacetylene
536-74-3

phenylacetylene

(E)-1,1'-((2,2'-iodo-2-phenylvinyl)-4,4'-oxybis(benzenesulfonyl)vinyl)benzene

(E)-1,1'-((2,2'-iodo-2-phenylvinyl)-4,4'-oxybis(benzenesulfonyl)vinyl)benzene

Conditions
ConditionsYield
With sodium iodide In chloroform; water at 20℃; for 5h; Electrolysis; stereoselective reaction;75%
1-ethoxy-4,5-dihydro-3H-benzo[4,5]thieno[2,3-c]azepine
50491-70-8

1-ethoxy-4,5-dihydro-3H-benzo[4,5]thieno[2,3-c]azepine

diphenylether-4,4'-disulfonyl hydrazide
80-51-3

diphenylether-4,4'-disulfonyl hydrazide

4,4'-oxy-bis-benzenesulfonic acid bis-[(2,3,4,5-tetrahydro-benzo[4,5]thieno[2,3-c]azepin-1-ylidene)-hydrazide]
50491-76-4

4,4'-oxy-bis-benzenesulfonic acid bis-[(2,3,4,5-tetrahydro-benzo[4,5]thieno[2,3-c]azepin-1-ylidene)-hydrazide]

Conditions
ConditionsYield
In ethanol for 22h; Heating;

4,4'-Oxybis(benzenesulfonyl hydrazide) Consensus Reports

Reported in EPA TSCA Inventory.

4,4'-Oxybis(benzenesulfonyl hydrazide) Standards and Recommendations

ACGIH TLV: ACGIH TWA: TLV 0.1 mg/m3
DOT Classification:  4.1; Label: Flammable Solid

4,4'-Oxybis(benzenesulfonyl hydrazide) Specification

The Benzenesulfonic acid,4,4'-oxybis-, 1,1'-dihydrazide, with the CAS registry number 80-51-3, is also known as p,p'-Oxybis(benzenesulfonyl hydrazide). Its EINECS number is 201-286-1. This chemical's molecular formula is C12H14N4O5S2 and molecular weight is 358.39. What's more, its systematic name is 4,4'-oxydibenzenesulfonohydrazide. Its classification code is Mutation data. This chemical should be protected from light. It is applicable to produce foaming agents in the rubber and plastic industry.

Physical properties of Benzenesulfonic acid,4,4'-oxybis-, 1,1'-dihydrazide are: (1)ACD/LogP: 0.70; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 0.7; (4)ACD/LogD (pH 7.4): 0.68; (5)ACD/BCF (pH 5.5): 2; (6)ACD/BCF (pH 7.4): 1.92; (7)ACD/KOC (pH 5.5): 57.18; (8)ACD/KOC (pH 7.4): 54.84; (9)#H bond acceptors: 9; (10)#H bond donors: 6; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 107.23 Å2; (13)Index of Refraction: 1.644; (14)Molar Refractivity: 85.38 cm3; (15)Molar Volume: 235.5 cm3; (16)Polarizability: 33.84×10-24cm3; (17)Surface Tension: 65.2 dyne/cm; (18)Density: 1.521 g/cm3; (19)Flash Point: 310.6 °C; (20)Enthalpy of Vaporization: 88.04 kJ/mol; (21)Boiling Point: 590 °C at 760 mmHg; (22)Vapour Pressure: 6.77E-14 mmHg at 25°C.

Preparation of Benzenesulfonic acid,4,4'-oxybis-, 1,1'-dihydrazide: this chemical can be prepared by diphenyl ether and chlorosulfonic acid, and then reacts with hydrazine hydrate.

Benzenesulfonic acid,4,4'-oxybis-, 1,1'-dihydrazide can be prepared by diphenyl ether and chlorosulfonic acid

When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need wear suitable protective clothing and gloves.

You can still convert the following datas into molecular structure:
(1)SMILES: O=S(=O)(NN)c2ccc(Oc1ccc(cc1)S(=O)(=O)NN)cc2
(2)Std. InChI: InChI=1S/C12H14N4O5S2/c13-15-22(17,18)11-5-1-9(2-6-11)21-10-3-7-12(8-4-10)23(19,20)16-14/h1-8,15-16H,13-14H2
(3)Std. InChIKey: NBOCQTNZUPTTEI-UHFFFAOYSA-N

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