Top Suppliers:I want be here
Related CAS#:
1105248-65-4 1105204-42-9
1105248-73-4 1172465-06-3
1172509-39-5 1105248-89-2
1105204-60-1 1170181-00-6
1105248-97-2 1172018-69-7

4432-31-9

4432-31-9 structure
4432-31-9 structure
  • Name: MES
  • Chemical Name: 2-(N-morpholino)ethanesulfonic acid
  • CAS Number: 4432-31-9
  • Molecular Formula: C6H13NO4S
  • Molecular Weight: 195.237
  • Catalog: Surfactant Anionic surfactant Sulfonate type
  • Create Date: 2018-09-15 14:46:26
  • Modify Date: 2026-07-02 02:37:39
  • MES (2-Morpholinoethanesulphonic acid), a zwitterionic buffer, is effective in the pH range of 5.5-7.7. MES, as one of the Good’s buffers, is broadly used to regulate pH value for plants culture medium, reagent solution, and physiological experiments[1][2].
Name 2-(N-morpholino)ethanesulfonic acid
Synonyms HUMNDME
MES 2-Morpholinoethanesulfonic acid
4-MORPHOLINOETHANESULFONIC ACID
2-(4-Morpholino)ethanesulphonic acid
2-(morpholin-4-yl)ethanesulfonic acid
2-(N-MORPHOLINO)ETHANESULPHONIC ACID
MORPHOLINOETHANE SULFONICACID (MES) ANALYTICAL ADE
MES,ULTRAPURE
2-(N-MORPHOLINO)ETHANESULFONIC ACID
2-morpholinoethanesulphonic acid
2-(N-MORPHOLINO)ETHANESULFONIC ACID (MES)
ME1
EINECS 224-632-3
MES FREE ACID LOW MOISTURE CONTENT
MES anhydrous (2-Morpholinoethan sulfonic acid)
MES FREE ACID, BIOTECHNOLOGY PERFORMANCE CERTIFIED
Ethanesulfonic acid, 2-morpholino
2-Morpholinoethanesulfonic acid
mes free acid moleculbiology
Morpholineethanesulfonic acid
2-(N-Morpholino)ethanesulfonic acid
2-Morpholinoethanesulfonic acid hydrate (MES)
2-Morpholin-4-ylethanesulfonic acid
Mes Buffer Anhydrous
2-(N-Morpholino)ethanesulfonic acid moleculbiology
2-MORPHOLINOETHANESULFONIC ACID
surfactant MES
BBS13
2-(4-MORPHOLINO)ETHANESULFONIC ACID
MES BUFFERED SALINE
MES SODIUM, BIOTECHNOLOGY PERFORMANCE CE RTIFIED
2-(4-Morpholino)ethanesulfonic acid
FLJ20345
MES 2-(N-Morpholino)ethanesulfonic acid
ANTI-ME1 antibody produced in mouse
4-Morpholineethanesu
Morpholino-N-ethylsulfonate
mes solution
mes free acid plant cell culture tested
MFCD00006181
morpholino ethane sulfonic acid
2-Morpholineethanesulfonic acid
2-Morpholinoethanesulfonic Acid(MES)
MES hydrate
mes free acid hydrate
CHIP BUFFER B, STRINGENT
2-(N-Morpholino)ethanesulfonic acid (MES)
MES FREE ACID MONOHYDRATE SIGMAULTRA
4-(2-Sulfoethyl)morpholine
MES, Anhydrous, Biological Buffer
MES, Free Acid, ULTROL ade
TIMTEC-BB
MES BUFFER SOLUTION 0.5M
4-MORPHOLINEETHANESULFONIC ACID
MES HYDRAT
MES ANHYDROUS
MES hydrate,2-(N-Morpholino)ethanesulfonic acid hydrate, 4-Morpholineethanesulfonic acid
MorpholinoethaneSulfonicAcid(Mes)
MES,2-(N-Morpholino)ethanesulfonic acid, 4-Morpholineethanesulfonic acid
MOPS solution
MES(2-(n-Morpholino)-ethanesulfonic acid), Free Acid
4-Morpholinethanesulfonic acid
MES 1M SOLUTION, BIOTECHNOLOGY PERFORMAN
MKS1
2-(4-Morpholinyl)ethanesulfonic acid
MES, water
EZNA CYCLE- KIT (V-SPIN)
4-Morpholineethanesulfonic acid
2-(N-Morpholino)ethanesulfonic acid,4-Morpholineethanesulfonic acid
MES, MoleculBiology ade 2-(N-Morpholino)ethanesulfonic acid, MoleculBiology ade
Description MES (2-Morpholinoethanesulphonic acid), a zwitterionic buffer, is effective in the pH range of 5.5-7.7. MES, as one of the Good’s buffers, is broadly used to regulate pH value for plants culture medium, reagent solution, and physiological experiments[1][2].
Related Catalog
References

[1]. Kagenishi T, et al. MES Buffer Affects Arabidopsis Root Apex Zonation and Root Growth by Suppressing Superoxide Generation in Root Apex. Front Plant Sci. 2016;7:79. Published 2016 Feb 18.

[2]. Mash HE, et al. Complexation of copper by zwitterionic aminosulfonic (good) buffers. Anal Chem. 2003;75(3):671-677.
Density 1.4±0.1 g/cm3
Melting Point >300 °C(lit.)
Molecular Formula C6H13NO4S
Molecular Weight 195.237
Exact Mass 195.056534
PSA 75.22000
LogP -2.13
Index of Refraction 1.517
Storage condition Store at RT.
Stability Stable. Incompatible with strong oxidizing agents.
Water Solubility H2O: 0.5 M at 20 °C, clear

CHEMICAL IDENTIFICATION

RTECS NUMBER :
QE3479500
CHEMICAL NAME :
4-Morpholineethanesulfonic acid
CAS REGISTRY NUMBER :
4432-31-9
BEILSTEIN REFERENCE NO. :
0141319
LAST UPDATED :
199706
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C6-H13-N-O4-S

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - quail
DOSE/DURATION :
>316 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
EESADV Ecotoxicology and Environmental Safety. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1977- Volume(issue)/page/year: 6,149,1982 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X6845 No. of Facilities: 257 (estimated) No. of Industries: 1 No. of Occupations: 6 No. of Employees: 5949 (estimated) No. of Female Employees: 4797 (estimated)
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi: Irritant;
Risk Phrases 36/37/38
Safety Phrases S26-S36-S24/25-S22
RIDADR NONH for all modes of transport
WGK Germany 1
RTECS QE9104530
HS Code 29349990
Precursor  1

DownStream  2

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.

Chemsrc provides CAS#:4432-31-9 MSDS, density, melting point, boiling point, structure, formula, molecular weight, synthetic route, etc.
title: CAS No. 4432-31-9 | Chemsrc address: https://m.chemsrc.com/en/baike/832496.html

Home | MSDS/SDS Database Search | Journals | Product Classification | Biologically Active Compounds | Selling Leads | About Us | Disclaimer

Copyright © 2026 ChemSrc All Rights Reserved