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Dicyanodiamide

Names

[ CAS No. ]:
461-58-5

[ Name ]:
Dicyanodiamide

[Synonym ]:
Metformin impurity A
2-cyanoguanidine
Metformin Related Compound A
EINECS 207-312-8
Dicyandiamide
MFCD00008066
Cyanoguanidine
Metformin Impurity 1

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
229.8±23.0 °C at 760 mmHg

[ Melting Point ]:
208-211 °C(lit.)

[ Molecular Formula ]:
C2H4N4

[ Molecular Weight ]:
84.080

[ Flash Point ]:
92.8±22.6 °C

[ Exact Mass ]:
84.043594

[ PSA ]:
85.69000

[ LogP ]:
-1.15

[ Vapour Pressure ]:
0.1±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.612

[ Storage condition ]:
2-8°C

[ Stability ]:
Stable. Incompatible with strong acids, strong oxidizing agents, strong bases.

[ Water Solubility ]:
32 g/L (20 ºC)

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
ME9950000
CHEMICAL NAME :
Guanidine, cyano-
CAS REGISTRY NUMBER :
461-58-5
LAST UPDATED :
199710
DATA ITEMS CITED :
10
MOLECULAR FORMULA :
C2-H4-N4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,17,1953
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
600 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
BCPCA6 Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 14,1325,1965
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>4 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
APTOA6 Acta Pharmacologica et Toxicologica. (Copenhagen, Denmark) V.1-59, 1945-86. For publisher information, see PHTOEH Volume(issue)/page/year: 8,329,1952
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>3 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
APTOA6 Acta Pharmacologica et Toxicologica. (Copenhagen, Denmark) V.1-59, 1945-86. For publisher information, see PHTOEH Volume(issue)/page/year: 8,329,1952 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
273 gm/kg/13W-C
TOXIC EFFECTS :
Liver - changes in liver weight Blood - changes in leukocyte (WBC) count Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases
REFERENCE :
ESKHA5 Eisei Shikenjo Hokoku. Bulletin of the Institute of Hygienic Sciences. (Kokuritsu Eisei Shikenjo Kagaku, 18-1 Bushitsu Johobu, Setagaya-ku, Tokyo 158, Japan) V.1- 1886- Volume(issue)/page/year: (109),61,1991 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83038 No. of Facilities: 720 (estimated) No. of Industries: 27 No. of Occupations: 55 No. of Employees: 19281 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83038 No. of Facilities: 1639 (estimated) No. of Industries: 48 No. of Occupations: 50 No. of Employees: 35475 (estimated) No. of Female Employees: 7043 (estimated)

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Hazard Codes ]:
Xn:Harmful

[ Risk Phrases ]:
R20/21/22

[ Safety Phrases ]:
S22-S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
1

[ RTECS ]:
ME9950000

[ HS Code ]:
29262000

Customs

[ HS Code ]: 29262000

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