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4767-03-7

Basic Information
CAS No.: 4767-03-7
Name: 2,2-Bis(hydroxymethyl)propionic acid
Article Data: 13
Cas Database
Molecular Structure:
Molecular Structure of 4767-03-7 (2,2-Bis(hydroxymethyl)propionic acid)
Formula: C5H10O4
Molecular Weight: 134.132
Synonyms: Propionicacid, 2,2-bis(hydroxymethyl)- (6CI,7CI,8CI);2,2-Bis(methylol)propionic acid;2,2-Dihydroxymethylpropanoic acid;2,2-Dihydroxymethylpropionic acid;2,2-Dimethylolpropionic acid;3-Hydroxy-2-(hydroxymethyl)-2-methylpropanoicacid;3-Hydroxy-2-hydroxymethyl-2-methylpropionic acid;DMPA;Dimethylolpropionic acid;NSC 96616;Nikkamer PA;Propanoic acid,2,2-bis(hydroxymethyl)-;a,a-Bis(hydroxymethyl)propionicacid;a,a-Dimethylolpropionic acid;
EINECS: 225-306-3
Density: 1.331 g/cm3
Melting Point: 189-191 °C(lit.)
Boiling Point: 366.7 °C at 760 mmHg
Flash Point: 189.7 °C
Solubility: Soluble in water
Appearance: white crystalline powder
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38-36/37
Safety: 26-37/39
Transport Information: N/A
PSA: 77.76000
LogP: -0.93810
Synthetic route
18516-18-2

3-hydroxy-2-(hydroxymethyl)-2-methylpropanal

A

77-85-0

2-(hydroxymethyl)-2-methylpropane-1,3-diol

B

4767-03-7

2,2-bis(hydroxymethyl)propionic acid

Conditions
ConditionsYield
With potassium hydroxide
98960-49-7

3-acetoxy-2-acetoxymethyl-2-methyl-propionitrile

4767-03-7

2,2-bis(hydroxymethyl)propionic acid

Conditions
ConditionsYield
With hydrogenchloride beim Erhitzen des Reaktionsgemisches mit Wasser;
With hydrogenchloride
17872-55-8

3-hydroxy-2-hydroxymethyl-2-methylpropionic acid methyl ester

4767-03-7

2,2-bis(hydroxymethyl)propionic acid

Conditions
ConditionsYield
With potassium hydroxide
β.β'-dibromo-pivalic acid

β.β'-dibromo-pivalic acid

4767-03-7

2,2-bis(hydroxymethyl)propionic acid

Conditions
ConditionsYield
With water; lead(II) oxide
β.β'-dichloro-pivalic acid

β.β'-dichloro-pivalic acid

4767-03-7

2,2-bis(hydroxymethyl)propionic acid

Conditions
ConditionsYield
With sodium hydroxide
18516-18-2

3-hydroxy-2-(hydroxymethyl)-2-methylpropanal

alcoholic potash

alcoholic potash

A

77-85-0

2-(hydroxymethyl)-2-methylpropane-1,3-diol

B

4767-03-7

2,2-bis(hydroxymethyl)propionic acid

18516-18-2

3-hydroxy-2-(hydroxymethyl)-2-methylpropanal

4767-03-7

2,2-bis(hydroxymethyl)propionic acid

Conditions
ConditionsYield
With dihydrogen peroxide
With sulfuric acid In water Kinetics; Mechanism; Electrolysis;
4767-03-7

2,2-bis(hydroxymethyl)propionic acid

30674-80-7

2-Isocyanatoethyl methacrylate

304698-73-5

C19H28N2O10

Conditions
ConditionsYield
Stage #1: 2,2-bis(hydroxymethyl)propionic acid; 2-Isocyanatoethyl methacrylate With dibutyltin dilaurate In tetrahydrofuran at 20℃;
Stage #2: With methanol In tetrahydrofuran for 2h;
100%
4767-03-7

2,2-bis(hydroxymethyl)propionic acid

1670-47-9

1,1-diethoxycyclohexane

3-methyl-1,5-dioxa-spiro-[5,5]undecane-3-carboxylic acid

Conditions
ConditionsYield
Stage #1: 1,1-diethoxycyclohexane; toluene-4-sulfonic acid In toluene at 120 - 130℃;
Stage #2: 2,2-bis(hydroxymethyl)propionic acid In toluene at 120 - 130℃; for 2.5h;
100%
Stage #1: 1,1-diethoxycyclohexane; toluene-4-sulfonic acid In toluene at 120 - 130℃; Reflux;
Stage #2: 2,2-bis(hydroxymethyl)propionic acid In toluene for 2.5h; Reflux;
150-46-9

triethyl borate

4767-03-7

2,2-bis(hydroxymethyl)propionic acid

1188369-88-1

B(2,2-bis(hydroxymethyl)propionate(3-))

Conditions
ConditionsYield
In ethanol100%
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Chemistry

IUPAC Name: 3-Hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid 
Following is the structure of Propanoic acid,3-hydroxy-2-(hydroxymethyl)-2-methyl- (CAS NO.4767-03-7):
                       
Empirical Formula: C5H10O4
Molecular Weight: 134.1305 
EINECS: 225-306-3
Index of Refraction: 1.503
Molar Refractivity: 29.81 cm3
Molar Volume: 100.7 cm3
Density: 1.331 g/cm3
Flash Point: 189.7 °C
Water Solubility: soluble
Sensitive: Hygroscopic
Stability: Stable. Hygroscopic.
Surface Tension: 60.8 dyne/cm
Melting point: 189-191 °C(lit.)
Enthalpy of Vaporization: 70.96 kJ/mol
Boiling Point: 366.7 °C at 760 mmHg
Vapour Pressure: 7.26E-07 mmHg at 25 °C
Appearance of Propanoic acid,3-hydroxy-2-(hydroxymethyl)-2-methyl- (CAS NO.4767-03-7): white crystalline powder
Product Categories of Propanoic acid,3-hydroxy-2-(hydroxymethyl)-2-methyl- (CAS NO.4767-03-7): Organic acids
Canonical SMILES: CC(CO)(CO)C(=O)O
InChI: InChI=1S/C5H10O4/c1-5(2-6,3-7)4(8)9/h6-7H,2-3H2,1H3,(H,8,9)
InChIKey: PTBDIHRZYDMNKB-UHFFFAOYSA-N

Toxicity Data With Reference

 Propanoic acid,3-hydroxy-2-(hydroxymethyl)-2-methyl- (CAS NO.4767-03-7) hasn't been listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65. And the toxicological properties have not been fully investigated.

Safety Profile

Hazard Codes: IrritantXi
Risk Statements: 36/37/38-36/37 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R36/37:Irritating to eyes and respiratory system.
Safety Statements: 26-37/39 
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.
WGK Germany: 3
F: 3-9
Hazard Note: Irritant

Specification

 Propanoic acid,3-hydroxy-2-(hydroxymethyl)-2-methyl- , its cas register number 4767-03-7. It also can be called Dimethylolpropionic acid ; 2,2-Bis(hydroxymethyl)propionic acid ; 2,2-Dimethylolpropionic acid ; Dimethylolpropionic acid ; Hydracrylic acid, 2-(hydroxymethyl)-2-methyl- ; and alpha,alpha-Bis(hydroxymethyl)propionic acid .
 Propanoic acid,3-hydroxy-2-(hydroxymethyl)-2-methyl- (CAS NO.4767-03-7) could be stable under normal temperatures and pressures. It should avoid the condition like incompatible materials, excess heat. It is not compatible with strong oxidizing agents, strong bases. And also prevent it to broken down into hazardous decomposition products: carbon monoxide, carbon dioxide. However, its hazardous polymerization will not occur.