Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,2,3,7,8,9-HEXACHLORODIBENZO-P-DIOXIN
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Purity: 98.0%
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19408-74-3

19408-74-3 structure

Name: 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin
Chemical Name: 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin
CAS Number: 19408-74-3
Molecular Formula: C₁₂H₂Cl₆O₂
Molecular Weight: 390.86100
Create Date: 2018-11-28 09:24:45
Modify Date: 2024-01-02 16:16:00

Name	1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin
Synonyms	PCDD 70 1,2,3,7,8,9-Hexachlorodibenzodioxin 1,2,3,7,8,9-HxCDD Dibenzo-p-dioxin,1,2,3,7,8,9-hexachloro 1,2,3,7,8,9-hexachlorinated dibenzodioxin 1,2,3,7,8,9-H6CDD D 70 1,2,3,7,8,9-hexachlorooxanthrene 1,2,3,6,7,8,9-hexachloro dibenzo-p-dioxin HxCDD

Density	1.777g/cm3
Boiling Point	478ºC at 760mmHg
Molecular Formula	C₁₂H₂Cl₆O₂
Molecular Weight	390.86100
Flash Point	182.9ºC
Exact Mass	387.81900
PSA	18.46000
LogP	7.50500
Vapour Pressure	7.72E-09mmHg at 25°C
Index of Refraction	1.666

CHEMICAL IDENTIFICATION

RTECS NUMBER :: HP3310000

CHEMICAL NAME :: Dibenzo-p-dioxin, 1,2,3,7,8,9-hexachloro-

CAS REGISTRY NUMBER :: 19408-74-3

BEILSTEIN REFERENCE NO. :: 1353896

LAST UPDATED :: 199806

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C12-H2-Cl6-O2

MOLECULAR WEIGHT :: 390.84

WISWESSER LINE NOTATION :: T C666 BO IOJ DG EG FG LG MG NG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >1440 mg/kg

TOXIC EFFECTS :: Endocrine - changes in spleen weight Endocrine - changes in thymus weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 60 ug/kg

TOXIC EFFECTS :: Nutritional and Gross Metabolic - weight loss or decreased weight gain

MUTATION DATA

TYPE OF TEST :: Morphological transformation

TEST SYSTEM :: Rodent - mouse Fibroblast

DOSE/DURATION :: 120 pmol/L

REFERENCE :: CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 8,1485,1987 *** REVIEWS *** IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 15,41,1977 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 15,41,1977 IARC Cancer Review:Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 69,33,1997

RIDADR	UN 2811
Packaging Group	I
Hazard Class	6.1(a)
HS Code	2932999060

108-90-7

19408-74-3

Literature: Environmental Science and Technology, , vol. 38, # 19 p. 5217 - 5223

127-18-4

19408-74-3

Literature: Environmental Science and Technology, , vol. 37, # 15 p. 3323 - 3331

1746-01-6

~1%

19408-74-3

35822-46-9

3268-87-9

Literature: Analytical Chemistry, , vol. 54, # 3 p. 402 - 406

50563-36-5

19408-74-3

Literature: Chemosphere, , vol. 40, # 2 p. 165 - 175

95-95-4

19408-74-3

51207-31-9

35822-46-9

Detail

Literature: Chemosphere, , vol. 45, # 2 p. 129 - 136

58200-74-1

19408-74-3

57653-85-7

Literature: Analytical Chemistry, , vol. 56, # 3 p. 442 - 448

88211-73-8

19408-74-3

58200-69-4

64461-98-9

Detail

Literature: Analytical Chemistry, , vol. 56, # 3 p. 442 - 448

50563-36-5

19408-74-3

3268-87-9

60851-34-5

Literature: Chemosphere, , vol. 40, # 2 p. 165 - 175

Precursor 6
108-90-7 127-18-4 1746-01-6 50563-36-5
95-95-4 58200-74-1
DownStream 0

HS Code	2932999060
Summary	2932999060. Dioxin,Furan(polychorinated dibenzo-p-dioxines,polychlorinated dibenzofurans). VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:89(articles on the list of prohibited export goods,articles on the list of prohibited import goods). MFN tariff:6.5%. General tariff:20.0%

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