4,4'-二氯二苯砜

Description

4,4'-DICHLORODIPHENYL SULFONE · CAS 80-07-9 · C12H8Cl2O2S. UNII 5U49794253. Boiling Point: 250 °C at 10 mm Hg; Melting Point: 293 to 298 °F (NTP, 1992); Melting Point: 147.9 °C.

Identification

CAS Registry Number	80-07-9
PubChem CID	6625
Molecular formula	C12H8Cl2O2S
IUPAC name	1-chloro-4-(4-chlorophenyl)sulfonylbenzene
UNII (FDA)	5U49794253

Computed Descriptors

Molecular Weight	287.2
XLogP3	3.9
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
Exact Mass	285.9622061
Monoisotopic Mass	285.9622061
Topological Polar Surface Area	42.5
Heavy Atom Count	17
Formal Charge	0

Physical & Chemical Properties

Boiling Point	250 °C at 10 mm Hg
Melting Point	293 to 298 °F (NTP, 1992)
Melting Point	147.9 °C
Vapor Pressure	0.00000081 [mmHg]

Physical description & handling notes

• Crystals or off-white powder. (NTP, 1992)
• Dry Powder; Liquid; Dry Powder
• White or off-white solid; [HSDB] Off-white or tan powder; [MSDSonline]
• Crystals
• White crystalline needles (crystalline grade); off-white crystalline needles (polymer grade)
• Sublimes (NTP, 1992)

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
GHS notification summary	41.2% (100 / 243)

GHS Hazard Classification

GHS notification summary	41.2% (100 / 243)
Reported hazard statements	H319 (55.1%), H411 (48.6%)

Documented Uses

• Used in high temperature plastics and as intermediate for Dapsone (an anti-leprotic drug and epoxy hardener); [HSDB]
• Used as a component of high temperature plastics.
• As intermediate for Dapsone (antileprotic drug and epoxy hardener)
• Hinduston Monomers; Product list. Available at as of Feb 14, 2005.
• 2023: 10,000,000 - <50,000,000 lb
• 2022: 10,000,000 - <50,000,000 lb

Synonyms

4,4'-DICHLORODIPHENYL SULFONE; 80-07-9; Bis(4-chlorophenyl) sulfone; p,p'-Dichlorodiphenyl sulfone; Bis(p-chlorophenyl) sulfone; 4-Chlorophenyl sulfone; 1,1'-Sulfonylbis(4-chlorobenzene); Benzene, 1,1'-sulfonylbis[4-chloro-; Sulfone, bis(p-chlorophenyl); Di-p-chlorophenyl sulfone; p-Chlorophenyl sulfone; 4,4'-Dichlorodiphenyl sulphone; DTXSID9024986; 4-Chloro-1-(4-chlorophenylsulfonyl)benzene; Benzene, 1,1'-sulfonylbis(4-chloro-; NSC-23899

Frequently Asked Questions

What are the CAS number and molecular formula of 4,4'-DICHLORODIPHENYL SULFONE?

CAS 80-07-9; molecular formula C12H8Cl2O2S; molecular weight — g/mol.

What other names is 4,4'-DICHLORODIPHENYL SULFONE known by?

4,4'-DICHLORODIPHENYL SULFONE, 80-07-9, Bis(4-chlorophenyl) sulfone, p,p'-Dichlorodiphenyl sulfone, Bis(p-chlorophenyl) sulfone, 4-Chlorophenyl sulfone.

What is the regulatory status of 4,4'-DICHLORODIPHENYL SULFONE?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is 4,4'-DICHLORODIPHENYL SULFONE classified as hazardous?

41.2% of GHS notifications report no hazard classification (100 of 243).

What are the key physical properties of 4,4'-DICHLORODIPHENYL SULFONE?

Boiling Point: 250 °C at 10 mm Hg; Melting Point: 293 to 298 °F (NTP, 1992); Melting Point: 147.9 °C; Vapor Pressure: 0.00000081 [mmHg].

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.