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N-Methyldiethanolamine

Product Name
N-Methyldiethanolamine
CAS No.
105-59-9
Chemical Name
N-Methyldiethanolamine
Synonyms
MDEA;METHYL DIETHANOLAMINE;Methyldiethanolamin;Methyliminodiethanol;FC MDEA;usafdo-52;USAF DO-52;Mdea (diol);Diethanolmethylamine;N-Methyldiethanolami
CBNumber
CB3260193
Molecular Formula
C5H13NO2
Formula Weight
119.16
MOL File
105-59-9.mol
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N-Methyldiethanolamine Property

Melting point:
-21 °C
Boiling point:
246-248 °C(lit.)
Density 
1.038 g/mL at 25 °C(lit.)
vapor density 
4 (vs air)
vapor pressure 
0.01 mm Hg ( 20 °C)
refractive index 
n20/D 1.469(lit.)
Flash point:
260 °F
storage temp. 
Store below +30°C.
solubility 
Chloroform (Slightly), Methanol (Slightly)
pka
14.41±0.10(Predicted)
form 
Liquid
color 
Clear colorless to light yellow
Odor
Ammonical
PH Range
11.5 at 100 g/l at 20 °C
PH
11.5 (100g/l, H2O, 20℃)
explosive limit
0.9-8.4%(V)
Water Solubility 
MISCIBLE
BRN 
1734441
Stability:
Stable. Combustible. Incompatible with strong oxidizing agents.
InChIKey
CRVGTESFCCXCTH-UHFFFAOYSA-N
LogP
-1.16 at 23℃
CAS DataBase Reference
105-59-9(CAS DataBase Reference)
NIST Chemistry Reference
Methyldiethanolamine(105-59-9)
EPA Substance Registry System
N-Methyldiethanolamine (105-59-9)
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Safety

Hazard Codes 
Xi
Risk Statements 
36
Safety Statements 
24
RIDADR 
2735
WGK Germany 
1
RTECS 
KL7525000
Autoignition Temperature
770 °F
TSCA 
Yes
HS Code 
2922 17 00
HazardClass 
8
PackingGroup 
II
Hazardous Substances Data
105-59-9(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 4680 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.05851
Product name
N-Methyl-2,2′-iminodiethanol
Purity
for synthesis
Packaging
100ML
Price
$34.5
Updated
2024/03/01
Sigma-Aldrich
Product number
8.05851
Product name
N-Methyl-2,2′-iminodiethanol
Purity
for synthesis
Packaging
1L
Price
$68.9
Updated
2024/03/01
Sigma-Aldrich
Product number
471828
Product name
N-Methyldiethanolamine
Purity
≥99%
Packaging
2l
Price
$92.8
Updated
2024/03/01
Sigma-Aldrich
Product number
471828
Product name
N-Methyldiethanolamine
Purity
≥99%
Packaging
18l
Price
$531
Updated
2024/03/01
Alfa Aesar
Product number
L15712
Product name
N-Methyldiethanolamine, 98+%
Packaging
100g
Price
$27
Updated
2023/06/20
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N-Methyldiethanolamine Chemical Properties,Usage,Production

Chemical Properties

N-Methyldiethanolamine (MDEA) is a colorless to yellow viscous liquid with an ammonia-like odor. It is completely soluble in water. N-Methyldiethanolamine is an alkyl alkanolamine.It combines the chemical characteristics of both amines and alcohols so that it is capable of undergoing reactions typical of both alcohols and amines: forming quaternary amine salts, soaps, and esters.

Uses

N-Methyldiethanolamine is a reagent used for protection of boronic acids as N-methyl-O,O-diethanolamine esters.

Uses

N-methyldiethanolamine is used as an intermediate in the synthesis of numerous products. Its unique chemistry has resulted in its use in diverse areas, including coatings, textile lubricants, polishes, detergents, pesticides, personal-care products, pharmaceuticals, urethane catalysts, and water-treatment chemicals. It is also used in absorption of acidic gases, catalyst for polyurethane foams, pH control agent.

Preparation

N-methyldiethanolamine is produced by the reaction between ethylene oxide and methylamine.

Synthesis Reference(s)

Journal of the American Chemical Society, 107, p. 6659, 1985 DOI: 10.1021/ja00309a039

General Description

Colorless liquid.

Air & Water Reactions

Very water soluble .

Reactivity Profile

N-Methyldiethanolamine is an aminoalcohol. Amines are chemical bases. They neutralize acids to form salts plus water. These acid-base reactions are exothermic. The amount of heat that is evolved per mole of amine in a neutralization is largely independent of the strength of the amine as a base. Amines may be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen is generated by amines in combination with strong reducing agents, such as hydrides. N-Methyldiethanolamine may react with oxidizing materials.

Health Hazard

Exposure can cause irritation of eyes, nose and throat.

Fire Hazard

Special Hazards of Combustion Products: Irritating vapors and toxic gases, such as nitrogen oxides and carbon monoxide, may be formed when involved in fire.

Flammability and Explosibility

Non flammable

Environmental Fate

N-methyldiethanolamine is readily biodegradable, and its bioconcentration potential is low. Releases to the environment would not persist and would degrade rapidly. The potential for mobility in soil is very high. It is slightly toxic to aquatic organisms on an acute basis.

storage

N-methyldiethanolamine is stable under normal storage and use conditions, but elevated temperatures can cause it to decompose. Decomposition products depend upon temperature, air supply, and the presence of other materials. Avoid contact with nitrites, strong acids, and strong oxidizers. Avoid unintended contact with halogenated hydrocarbons. N-methyldiethanolamine can react with halogenated organics, resulting in temperature and/or pressure increases. It is corrosive when wet. Heating above 60°C (140°F) in the presence of aluminum can result in corrosion and generation of flammable hydrogen gas.

N-Methyldiethanolamine Preparation Products And Raw materials

Raw materials

Preparation Products

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N-Methyldiethanolamine Suppliers

Shanghai Aladdin Bio-Chem Technology Co.,LTD
Tel
400-400-6206333 18521732826
Fax
021-50323701
Email
market@aladdin-e.com
Country
China
ProdList
25003
Advantage
65
Jinan Century Tongda Chemical Co., Ltd.
Tel
15605418165
Email
781463312@qq.com
Country
China
ProdList
379
Advantage
58
Jinan Wald Chemical Co., Ltd.
Tel
0531-88773586 13210588999
Fax
053188773586
Email
304264064@qq.com
Country
China
ProdList
193
Advantage
58
JINAN QUANSHENG CHEMICAL CO.,LTD
Tel
13864032209,13012986817,13256752920 13256752920
Email
531899221@qq.com
Country
China
ProdList
77
Advantage
58
Jinan Chuangshi Chemical Co., LTD
Tel
18854143038
Email
3686420496@qq.com
Country
China
ProdList
324
Advantage
58
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
021-61259108 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40228
Advantage
62
3B Pharmachem (Wuhan) International Co.,Ltd.
Tel
821-50328103-801 18930552037
Fax
86-21-50328109
Email
3bsc@sina.com
Country
China
ProdList
15839
Advantage
69
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30123
Advantage
84
ShangHai DEMO Chemical Co.,Ltd
Tel
400-021-7337 2355568890
Fax
0086-21-50182339
Email
sales@demochem.com
Country
China
ProdList
2572
Advantage
57
Beijing dtftchem Technology Co., Ltd.
Tel
010-60275820 13031183356
Fax
010-60270825
Email
elainezt@sina.com
Country
China
ProdList
1390
Advantage
62
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View Lastest Price from N-Methyldiethanolamine manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
N-Methyldiethanolamine / MDEA 105-59-9
Price
US $120.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-05-10
HebeiShuoshengImportandExportco.,Ltd
Product
Mdea N-Methyldiethanolamine 105-59-9
Price
US $6.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
2000KG/Month
Release date
2024-10-23
Qingdao RENAS Polymer Material Co., Ltd.
Product
N-MethyldiethanolaMine 105-59-9
Price
US $0.00/kg
Min. Order
20kg
Purity
99.0%
Supply Ability
20 tons
Release date
2024-05-31

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