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1,2-Dimethylhydrazine dihydrochloride
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Name

1,2-Dimethylhydrazine dihydrochloride

 EINECS 206-183-5
CAS No. 306-37-6 Density 0.759 g/cm3
PSA 24.06000 LogP 1.72600
Solubility almost transparency Melting Point 167-169 °C
Formula C2H8N2.2ClH Boiling Point 81.5 °C at 760 mmHg
Molecular Weight 133.021 Flash Point 1.1°C
Transport Information N/A Appearance SOLID
Safety 53-45-61 Risk Codes 45-23/24/25-51/53
Molecular Structure Molecular Structure of 306-37-6 (1,2-DIMETHYLHYDRAZINE DIHYDROCHLORIDE) Hazard Symbols ToxicT,DangerousN
Synonyms

1,2-Dimethylhydrazinedihydrochloride;Dimethylhydrazinedihydrochloride;Dimethylhydrazinium dichloride;N,N'-Dimethylhydrazinedihydrochloride;sym-Dimethylhydrazine dihydrochloride;

Article Data 2

1,2-Dimethylhydrazine dihydrochloride Synthetic route

7647-01-0

hydrogenchloride

C44H82N6Sc2

A

C42H76Cl2N4Sc2

B

306-37-6

N,N'-Dimethylhydrazine dihydrochloride

Conditions
ConditionsYield
In tetrahydrofuran; diethyl ether at -78 - 20℃; for 1h; Inert atmosphere; Schlenk technique;A 48%
B 89%
28752-82-1

2-(allyloxy)benzaldehyde

306-37-6

N,N'-Dimethylhydrazine dihydrochloride

108120-71-4

(3aS,9bR)-1,2-Dimethyl-1,2,3,3a,4,9b-hexahydro-chromeno[4,3-c]pyrazole

Conditions
ConditionsYield
In ethanol for 3h; Heating;100%
306-37-6

N,N'-Dimethylhydrazine dihydrochloride

135351-20-1

(3E)-1,1,1-trifluoro-4-methoxy-pent-3-en-2-one

1,2,5-trimethyl-3-trifluoromethyl-2H-pyrazol-1-ium; chloride

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 5h; Heating;100%
306-37-6

N,N'-Dimethylhydrazine dihydrochloride

135351-18-7

(E)-1,1,1-trichloro-4-methoxypent-3-en-2-one

3-methyl-5-trichloromethyl-1,2-dimethyl-1H-pyrazolium chloride

Conditions
ConditionsYield
In toluene at 80℃; for 0.2h; microwave irradiation;98%
With hydrogenchloride In ethanol for 4h; Heating;90%
59938-06-6

(E)-4-Ethoxy-1,1,1-trifluoro-3-buten-2-one

306-37-6

N,N'-Dimethylhydrazine dihydrochloride

1,2-dimethyl-3-trifluoromethyl-2H-pyrazol-1-ium; chloride

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 5h; Heating;97%
1161-13-3

N-Cbz-L-Phe

306-37-6

N,N'-Dimethylhydrazine dihydrochloride

1043922-50-4

(S)-benzyl (1-(1,2-dimethylhydrazinyl)-1-oxo-3-phenylpropan-2-yl)carbamate

Conditions
ConditionsYield
Stage #1: N-Cbz-L-Phe With 4-methyl-morpholine; isobutyl chloroformate In tetrahydrofuran at -25℃;
Stage #2: N,N'-Dimethylhydrazine dihydrochloride With sodium hydroxide In tetrahydrofuran; water at -25 - 20℃; for 2h;		97%
Stage #1: N-Cbz-L-Phe With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; for 0.833333h;
Stage #2: N,N'-Dimethylhydrazine dihydrochloride With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 28h;		83%
306-37-6

N,N'-Dimethylhydrazine dihydrochloride

C2H8N2*2HNO3

Conditions
ConditionsYield
With silver nitrate In water at 20℃; for 2h; Darkness;97%
306-37-6

N,N'-Dimethylhydrazine dihydrochloride

C2H8N2*2ClHO4

Conditions
ConditionsYield
With silver perchlorate In water at 20℃; for 0.5h; Darkness;96%
59938-07-7

(3E)-1,1,1-trichloro-4-ethoxybut-3-en-2-one

306-37-6

N,N'-Dimethylhydrazine dihydrochloride

5-trichloromethyl-1,2-dimethyl-1H-pyrazolium chloride

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 4h; Heating;95%
In toluene at 80℃; for 0.166667h; microwave irradiation;80%
306-37-6

N,N'-Dimethylhydrazine dihydrochloride

438537-10-1

(E)-1,1,1-Trichloro-4-methoxy-hept-3-en-2-one

3-propyl-5-trichloromethyl-1,2-dimethyl-1H-pyrazolium chloride

Conditions
ConditionsYield
In toluene at 80℃; for 0.2h; microwave irradiation;95%
With hydrogenchloride In ethanol for 4h; Heating;76%

1,2-Dimethylhydrazine dihydrochloride Chemical Properties

 

Chemical Name: 1,2-Dimethylhydrazine dihydrochloride
IUPAC NAME: 1,2-Dimethylhydrazine dihydrochloride
CAS No.: 306-37-6
EINECS: 206-183-5
RTECS: MV2800000
Molecular Formula: C2H10Cl2N2
Molecular Weight: 133.02 g/mol
Melting Point: 167-169 °C (dec.)(lit.)
Boiling Point: 81.5 °C at 760 mmHg
Following is the structure of 1,2-Dimethylhydrazine dihydrochloride (306-37-6):


The chemical synonymous of 1,2-Dimethylhydrazine dihydrochloride (306-37-6) are 1,2-Dimethyl-hydrazindihydrochloride ; 1,2-Dimethylhydraziniumdichloride ; 1,2-Dimethylhydrazine 2hcl ; 1,2-Dimethylhydrazine dihydrochloride ; n,n'-Dimethylhydrazine di hcl (sym) ; n,n'-Dimethylhydrazine dihydrochloride ; sym-Dimethylhydrazine dihydrochloride ; n,n'-Dimethylhydrazine (sym.) dihydrochloride

1,2-Dimethylhydrazine dihydrochloride Toxicity Data With Reference

1.    

otr-rat-ipr 100 mg/kg

     CALEDQ    Cancer Letters (Shannon, Ireland). 26 (1982),191.
2.    

dnd-rat-orl 1700 µg/kg/2D-C

     CRNGDP    Carcinogenesis. 4 (1983),529.
3.    

dns-rat-orl 1700 µg/kg/4D-C

     CRNGDP    Carcinogenesis. 4 (1983),529.
4.    

dni-rat-orl 1700 µg/kg/2D-C

     CRNGDP    Carcinogenesis. 4 (1983),529.
5.    

dni-mus:oth 500 µmol/L

     JJIND8    JNCI, Journal of the National Cancer Institute. 68 (1982),1015.
6.    

orl-rat LD50:100 mg/kg

     23HZAR    Carcinoma of the Colon and Antecedent Epithelium W.J. Burdette,Springfield, IL.: C.C. Thomas,1970,267.
7.    

scu-rat LD50:122 mg/kg

     NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) AD-A062-138 .
8.    

scu-mus LD50:25,400 µg/kg

     CRNGDP    Carcinogenesis. 3 (1982),603.
9.    

scu-ham LD50:50 mg/kg

     NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) AD-A062-138 .

1,2-Dimethylhydrazine dihydrochloride Consensus Reports

Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.

1,2-Dimethylhydrazine dihydrochloride Safety Profile

Suspected carcinogen with experimental carcinogenic, neoplastigenic, and tumorigenic data. Poison by ingestion and subcutaneous routes. Experimental reproductive effects. Mutation data reported. A rocket fuel. When heated to decomposition it emits very toxic fumes of HCl and NOx.
Hazard Codes:
T: Toxic
N: Dangerous for the environment
Risk Statements about 1,2-Dimethylhydrazine dihydrochloride (306-37-6):
R45 May cause cancer. 
R23/24/25 Toxic by inhalation, in contact with skin and if swallowed.
Safety Statements about 1,2-Dimethylhydrazine dihydrochloride (306-37-6):
S53 Avoid exposure - obtain special instructions before use. 
S24/25 Avoid contact with skin and eyes. 
S45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

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