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80-51-3

Basic Information
CAS No.: 80-51-3
Name: 4,4'-Oxybis(benzenesulfonyl hydrazide)
Molecular Structure:
Molecular Structure of 80-51-3 (4,4'-Oxybis(benzenesulfonyl hydrazide))
Formula: C12H14N4O5S2
Molecular Weight: 358.399
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);
EINECS: 201-286-1
Density: 1.521 g/cm3
Melting Point: 160-161 °C (dec.)(lit.)
Boiling Point: 590 °C at 760 mmHg
Flash Point: 310.6 °C
Solubility: Insoluble in water
Appearance: colorless, crystalline solid with a geranium-like odor
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-37/39
PSA: 170.37000
LogP: 4.12690
Synthetic route
3232-24-4

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

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%
121-63-1

4,4'-oxybis(benzenesulfonyl chloride)

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
80-51-3

diphenylether-4,4'-disulfonyl hydrazide

4,4′-disulfonylazidophenyl ether

Conditions
ConditionsYield
With hydrogenchloride; sodium nitrite In methanol; water at 0℃; Temperature; Solvent;96%
With acetic acid; sodium nitrite
80-51-3

diphenylether-4,4'-disulfonyl hydrazide

536-74-3

phenylacetylene

(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%
50491-70-8

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

80-51-3

diphenylether-4,4'-disulfonyl 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;
Raw Materials
121-63-1
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  • Casno:

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    4,4'-Oxydibenzenesulfonyl hydrazide

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Consensus Reports

Reported in EPA TSCA Inventory.

Standards and Recommendations

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

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