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2275-61-8

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Basic Information
CAS No.: 2275-61-8
Name: Methylaminobis(1-aziridinyl)phosphine oxide
Molecular Structure:
Molecular Structure of 2275-61-8 (Methylaminobis(1-aziridinyl)phosphine oxide)
Formula: C5H12 N3 O P
Molecular Weight: 161.144
Synonyms: AI 3-51254;Bis(1-aziridinyl)-N-methylphosphinic amide;Bis(1-aziridinyl)methylamino-phosphine oxide; Diaziridinyl(methylamino)phosphineoxide; ENT 51254; Methylaminobis(1-aziridinyl)phosphine oxide;P,P-Bis(1-aziridinyl)-N-methylaminophosphine oxide;P,P-Bis(1-aziridinyl)-N-methylphosphinic amide;P,P-Di(1-Aziridinyl)-N-methylphosphinic amide
Density: 1.33g/cm3
Melting Point: 106°C
Boiling Point: 234.7°Cat760mmHg
Flash Point: 95.8°C
Safety: Poison by ingestion and intraperitoneal routes. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx and POx.
PSA: 44.93000
LogP: 0.21180
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Chemistry

The Molecular Structure of Methylamino-bis(1-aziridinyl)phosphine oxide (CAS NO.2275-61-8):
Molecular Formula: C5H12N3OP
Molecular Weight: 161.142041 g/mol
IUPAC: N-[bis(aziridin-1-yl)phosphoryl]methanamine
Density: 1.33 g/cm3
Flash Point: 95.8 °C
Enthalpy of Vaporization: 47.15 kJ/mol
Boiling Point: 234.7 °C at 760 mmHg
Surface Tension: 50.8 dyne/cm 
Vapour Pressure: 0.052 mmHg at 25°C
ACD/LogP: -1.43 
ACD/LogD (pH 5.5): -1.99
Molar Refractivity: 39.26 cm3 
ACD/LogD (pH 7.4): -1.45 
ACD/BCF (pH 7.4): 1
ACD/KOC (pH 5.5): 1.1
ACD/KOC (pH 7.4): 3.83
ACD/BCF (pH 5.5): 1
Polar Surface Area: 36.14Å2
Index of Refraction: 1.561
Molar Volume: 121 cm3 

Toxicity Data With Reference

1.    

cyt-mus-par 6 mmol/kg

     FOBLAN    Folia Biologica (Prague). 20 (1974),1.
2.    

dlt-mus-ipr 500 µg/kg

     FOBLAN    Folia Biologica (Prague). 20 (1974),1.
3.    

ipr-mus TDLo:500 µg/kg (male 1D pre):REP

     FOBLAN    Folia Biologica (Prague). 20 (1974),1.
4.    

ipr-mus LDLo:18 mg/kg

     FATOAO    Farmakologiya i Toksikologiya (Moscow). 28 (1965),70.
5.    

orl-qal LD50:237 mg/kg

     JRPFA4    Journal of Reproduction and Fertility. 48 (1976),371.

Safety Profile

Poison by ingestion and intraperitoneal routes. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx and POx.

Specification

 Methylamino-bis(1-aziridinyl)phosphine oxide (CAS NO.2275-61-8) can also be called as AI 3-51254 ; BRN 1308323 ; ENT 51254 ; Methylamino-bis(1-aziridinyl)phosphine oxide ; P,P-Bis(1-aziridinyl)-N-methylphosphinic amide ; Phosphine oxide, bis(1-aziridinyl)methylamino- ; Phosphinic amide, P,P-bis(1-aziridinyl)-N-methyl- .