ChemicalBook CAS DataBase List 78-90-0

78-90-0

Name	1,2-Diaminopropane
CAS	78-90-0
EINECS(EC#)	201-155-9
Molecular Formula	C3H10N2
MDL Number	MFCD00008089
Molecular Weight	74.12
MOL File	78-90-0.mol

Synonyms

12AP 1,2-DIAMINOPROPANE 1,2-PROPANEDIAMINE 1,2-PROPYLENEDIAMINE PROPYLENE-1,2-DIAMINE PROPYLENEDIAMINE 1,2-Proplenediamine 2,3-diaminopropane propane-1,2-diamine 1,2-Propanediamine-Propylenediamine 1,2-DIAMINOPROPANE, 99+% Propylendiamin techn PROPANEDIAMINE DIAMINOPROPANE 1,2-Propylendiamin Propanediamine, 1,2- (RS)-1,2-Propanediamine 1-Methyl-1,2-diaminoethane DL-1,2-Propanediamine N,N'-Dimethyl-1,2-diaminopropane

Chemical Properties

Appearance	clear liquid
Melting point	-37 °C
Boiling point	120-122 °C(lit.)
density	0.87 g/mL at 25 °C(lit.)
vapor density	2.6 (vs air)
vapor pressure	14 mm Hg ( 20 °C)
refractive index	n20/D 1.446
Fp	92 °F
storage temp.	Flammables area
solubility	H2O: very soluble
form	clear liquid
pka	9.82(at 25℃)
color	Colorless to Almost colorless
PH	12 (100g/l, H2O, 20℃)
Stability:	Stable. Flammable. Incompatible with strong oxidizing agents, acids, acid chlorides, acid anhydrides.
explosive limit	2.2-11.1%(V)
Water Solubility	SOLUBLE
Sensitive	Air Sensitive & Hygroscopic
Merck	14,7852
BRN	605274
Henry's Law Constant	1.4×10³ mol/(m³Pa) at 25℃, Nguyen (2013)
Dielectric constant	10.2（Ambient）
Cosmetics Ingredients Functions	NOT REPORTED
InChI	1S/C3H10N2/c1-3(5)2-4/h3H,2,4-5H2,1H3
InChIKey	AOHJOMMDDJHIJH-UHFFFAOYSA-N
SMILES	CC(N)CN
LogP	-1.2 at 20℃
Surface tension	33.8mN/m at 293.15K
CAS DataBase Reference	78-90-0(CAS DataBase Reference)
NIST Chemistry Reference	1,2-Propanediamine(78-90-0)
EPA Substance Registry System	78-90-0(EPA Substance)

Safety Data

Symbol(GHS)	GHS02,GHS05,GHS06,GHS08
Signal word	Danger
Hazard statements	H226-H302-H311-H314-H317-H334
Precautionary statements	P210-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes	C
Risk Statements	R10:Flammable. R21/22:Harmful in contact with skin and if swallowed . R35:Causes severe burns. less more
Safety Statements	S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S37/39:Wear suitable gloves and eye/face protection . S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) . less more
RIDADR	UN 2258 8/PG 2
WGK Germany	1
RTECS	TX6650000
F	3-10-23
Autoignition Temperature	680 °F
TSCA	Yes
REACH Registrations	Active
HazardClass	8
PackingGroup	II
HS Code	29212900
Storage Class	3 - Flammable liquids
Hazard Classifications	Acute Tox. 3 Dermal Acute Tox. 4 Oral Flam. Liq. 3 Resp. Sens. 1 Skin Corr. 1A Skin Sens. 1
Safety Profile	Moderately toxic by ingestion, sktn contact, and subcutaneous routes. A corrosive irritant to eyes, skin, and mucous membranes. Dangerous fire hazard when exposed to heat, flames, oxidizers. To fight fire, use alcohol foam. When heated to decomposition it emits toxic fumes of NOx. Used as an intermedate in production of petroleum and polymer additives, and surfactants. See also AMINES. less more

Raw materials And Preparation Products

Hazard Information

General Description

A colorless liquid with an ammonia-like odor. Flash point 160°F. Density 0.87 g/cm3. Boiling point 243°F. Strongly irritates skin and tissue.

Reactivity Profile

1,2-PROPYLENEDIAMINE(78-90-0) neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. May generate hydrogen, a flammable gas, in combination with strong reducing agents such as hydrides.

Air & Water Reactions

Very hygroscopic. Very soluble in water.

Health Hazard

May cause toxic effects if inhaled or ingested/swallowed. Contact with substance may cause severe burns to skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.

Fire Hazard

Flammable/combustible material. May be ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.

Description

1,2-Diaminopropane is a colorless liquid that is very hygroscopic and miscible with water and most organic solvents. It forms azeotropes with butanol, 2-methylpropanol, and toluene and has a strong ammoniacal odor.

Chemical Properties

clear liquid

Uses

In conjunction with cupric sulfate it is a very sensitive reagent for mercury.

Application

1,2-Diaminopropane is used as an intermediate for crop-protection agents, e.g., Basfungin (BASF). Analogous to the ethylenediamine derivatives, the zinc dithiocarbamate propineb acts as a fungicide. Especially in the United States, derivatives of the amine are used as fuel and lubricant additives.

Definition

ChEBI: A diamine that is propane substituted by amino groups at positions 1 and 2. Propylenediamine is commonly used as a bidentate ligand in the formation of coordination complexes.

Production Methods

Because 1,2-dichloropropane does not react smoothly with ammonia, 1,2-diaminopropane is usually prepared by aminating a mixture of 2-amino-1-propanol and 1-amino-2-propanol, which is obtained from propylene oxide and ammonia. The process differs from corresponding processes for the production of diaminoethane in that the temperature in the catalytic amination is higher (190 – 230 ℃).

Flammability and Explosibility

Flammable

Purification Methods

Purify the diamine by azeotropic distillation with toluene. Then distil it. Store it in a CO2 free atmosphere. [Horton et al. Anal Chem 27 269 1955, Beilstein 4 IV 1255.]

Material Safety Data Sheet(MSDS)

Spectrum Detail

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