Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Formamide,N,N'-(sulfonyldi-4,1-phenylene)bis- (9CI)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
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Email: enquiry@dycnchem.com

6784-25-4

6784-25-4 structure

Name: Formamide,N,N'-(sulfonyldi-4,1-phenylene)bis- (9CI)
Chemical Name: N-[4-(4-formamidophenyl)sulfonylphenyl]formamide
CAS Number: 6784-25-4
Molecular Formula: C₁₄H₁₂N₂O₄S
Molecular Weight: 304.32100
Create Date: 2016-09-10 10:17:37
Modify Date: 2025-09-23 08:03:40

Name	N-[4-(4-formamidophenyl)sulfonylphenyl]formamide
Synonyms	Diformyl-4,4'-sulfonyldianiline 4',4''-sulfonyldiformanilide Diformyldapsone p,p'-Sulfonylbisformanilide WR 6798 Formilone DFDDS Diformyl diaminodiphenylsulfone 4,4'-Diformamidodiphenyl sulfone

Density	1.439g/cm3
Boiling Point	643.4ºC at 760 mmHg
Molecular Formula	C₁₄H₁₂N₂O₄S
Molecular Weight	304.32100
Flash Point	342.9ºC
Exact Mass	304.05200
PSA	100.72000
LogP	4.15460
Index of Refraction	1.654

CHEMICAL IDENTIFICATION

RTECS NUMBER :: WR4550000

CHEMICAL NAME :: Sulfone, bis(N-formyl-p-aminophenyl)

CAS REGISTRY NUMBER :: 6784-25-4

BEILSTEIN REFERENCE NO. :: 2815334

LAST UPDATED :: 199612

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C14-H12-N2-O4-S

MOLECULAR WEIGHT :: 304.34

WISWESSER LINE NOTATION :: VHMR DSWR DMVH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 450 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 18,469,1971

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 760 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: EXPAAA Experimental Parasitology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 20,88,1967

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 98 mg/kg

TOXIC EFFECTS :: Vascular - BP lowering not characterized in autonomic section Cardiac - change in rate

REFERENCE :: IJLEAG International Journal of Leprosy and Other Mycobacterial Diseases. (POB 1097, Bloomfield, NJ 07003) V.1- 1933- Volume(issue)/page/year: 36,432,1968

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Mammal - cat

DOSE/DURATION :: 255 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Vascular - BP lowering not characterized in autonomic section

REFERENCE :: IJLEAG International Journal of Leprosy and Other Mycobacterial Diseases. (POB 1097, Bloomfield, NJ 07003) V.1- 1933- Volume(issue)/page/year: 36,432,1968

HS Code	2924299090

80-07-9

6784-25-4

Literature: Heymann; Fieser Journal of the American Chemical Society, 1945 , vol. 67, p. 1979,1985

108-90-7

6784-25-4

Literature: Heymann; Fieser Journal of the American Chemical Society, 1945 , vol. 67, p. 1979,1985

64-18-6

80-08-0

6784-25-4

Literature: Sasosow Zhurnal Obshchei Khimii, 1947 , vol. 17, p. 471,474 Chem.Abstr., 1948 , p. 534 Full Text Show Details Heymann; Fieser Journal of the American Chemical Society, 1945 , vol. 67, p. 1979,1985

Precursor 4
80-07-9 108-90-7 64-18-6 80-08-0
DownStream 0

HS Code	2924299090
Summary	2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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