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55-86-7

55-86-7 structural image
Product Name: Mechlorethamine hydrochloride
Formula: C5H12Cl3N
Synonyms: NM;Nitrogen mustard;N-Methylbis(2-chloroethyl)amine hydrochloride;2-Chloro-N-(2-chloroethyl)-N-methylethanamine;Bis(2-chloroethyl)methylamine
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Nitrogen mustard hydrochloride appears as white to off-white crystals or powder with a fishy odor. Initial pH (2% aqueous solution) 3.0-4.0. (NTP, 1992)
Color/Form Hygroscopic leaflets from acetone or chloroform
Melting Point 226 to 232 °F (NTP, 1992)
Solubility greater than or equal to 100 mg/mL at 66 °F (NTP, 1992)
LogP log Kow = -1.24 /Estimated/
Stability/Shelf Life Storage and shelf-life of unopened container: Two years when stored at 2-15 °C.
pH Initial pH of 2% aqueous solution: 3.0-4.0
Dissociation Constants pKa = 6.43 at 25 °C (conjugate acid)
Other Experimental Properties Dry crystals are stable at temperatures up to 40 deg

SAFETY INFORMATION

Signal word Danger
Pictogram(s)

Corrosion
Corrosives
GHS05

Skull and Crossbones
Acute Toxicity
GHS06

Health Hazard
GHS08
GHS Hazard Statements H314:Skin corrosion/irritation
H340:Germ cell mutagenicity
H350:Carcinogenicity
Precautionary Statement Codes P202:Do not handle until all safety precautions have been read and understood.
P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

COMPUTED DESCRIPTORS

Molecular Weight 192.5 g/mol
Hydrogen Bond Donor Count 1
Hydrogen Bond Acceptor Count 1
Rotatable Bond Count 4
Exact Mass 191.003532 g/mol
Monoisotopic Mass 191.003532 g/mol
Topological Polar Surface Area 3.2 Ų
Heavy Atom Count 9
Formal Charge 0
Complexity 43.7
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 2
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

Nitrogen mustard hydrochloride appears as white to off-white crystals or powder with a fishy odor. Initial pH (2% aqueous solution) 3.0-4.0. (NTP, 1992)