METHYL 12-HYDROXYSTEARATE
Synonym(s):12-Hydroxystearic acid methyl ester;Methyl 12-hydroxyoctadecanoate
- CAS NO.：141-23-1
- Empirical Formula: C19H38O3
- Molecular Weight: 314.5
- MDL number: MFCD00046706
- EINECS: 205-471-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-16 16:10:54
What is METHYL 12-HYDROXYSTEARATE?
Description
Methyl 12-hydroxy stearate is won by direct esterfication of 12-Hydroxy stearic acid with methanol. Methyl 12-hydroxy stearate is sold in solid and liquid form. It is used in the continuous grease process. Greases made with Methyl 12-hydroxy stearate can be formulated to higher drop points. Greases experience less bleeding and improved oxidative stability. Methyl 12-hydroxy stearate is also used in textile ancillary, cosmetics and paper industry.
appearance white to solid flakes or liquid
melting point °C 45 - 53 AOCS Cc 1-25
colour (on 1” Lovibond) max. 3 yellow / max. 1,5 red AOCS 13e-92
acid value mg KOH/g max. 10 AOCS Cd 3d-63
iodine value 9 I2 /100g max. 5 AOCS Cd 1-25
hydroxyl value 160 - 178 AOCS Cd 13-60
saponification value mg KOH/g 170 - 180 AOCS Cd 3-25
water wt % max. 0,5 IS 548
unsaponifiable wt % max. 0,5 IS 548
titre of fatty acids °C 73 - 75 IS 548
Nickel + Iron ppm max. 10 ICP
Sodium + Potassium ppm max. 20 ICP
Magnesium + Calcium ppm max. 50 ICP
Chemical properties
White, waxy solid in the form of shortflat rods.Acid value 4, saponification value177, iodine value 5. Insoluble in water; limited sol-ubility in organic solvents. Combustible.
The Uses of METHYL 12-HYDROXYSTEARATE
Methyl 12-Hydroxystearate is a fatty acid reagent used in the study of sphingomyelin through site specific deuterium labelling. Also used in the preparation of ricinoleate-based lipoconjugates of phenolic acids for antioxidant and antifubgal properties.
The Uses of METHYL 12-HYDROXYSTEARATE
Adhesives, inks, cosmetics greases.
Flammability and Explosibility
Not classified
Properties of METHYL 12-HYDROXYSTEARATE
| Melting point: | 53.5°C |
| Boiling point: | 394.16°C (rough estimate) |
| Density | 1.0196 (rough estimate) |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.4410 (estimate) |
| storage temp. | −20°C |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| form | neat |
| pka | 15.40±0.20(Predicted) |
| color | White to Off-White |
| Water Solubility | 89.94μg/L at 25℃ |
| CAS DataBase Reference | 141-23-1(CAS DataBase Reference) |
| EPA Substance Registry System | Octadecanoic acid, 12-hydroxy-, methyl ester (141-23-1) |
Safety information for METHYL 12-HYDROXYSTEARATE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P330:Rinse mouth. P362:Take off contaminated clothing and wash before reuse. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. P405:Store locked up. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P501:Dispose of contents/container to..… |
Computed Descriptors for METHYL 12-HYDROXYSTEARATE
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