Introduction：Basic information about CAS 4432-31-9|MES, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | MES |
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| CAS Number | 4432-31-9 | Molecular Weight | 195.237 |
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| Density | 1.4±0.1 g/cm3 | Boiling Point | / |
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| Molecular Formula | C6H13NO4S | Melting Point | >300 °C(lit.) |
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| MSDS | ChineseUSA | Flash Point | / |
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Names
| Name | 2-(N-morpholino)ethanesulfonic acid |
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| Synonym | More Synonyms |
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MES BiologicalActivity
| 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]. |
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| Related Catalog | Research Areas >>OthersSignaling Pathways >>Others >>Others |
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| 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. |
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Chemical & Physical Properties
| Density | 1.4±0.1 g/cm3 |
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| Melting Point | >300 °C(lit.) |
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| Molecular Formula | C6H13NO4S |
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| Molecular Weight | 195.237 |
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| Exact Mass | 195.056534 |
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| PSA | 75.22000 |
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| LogP | -2.13 |
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| Index of Refraction | 1.517 |
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| InChIKey | SXGZJKUKBWWHRA-UHFFFAOYSA-N |
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| SMILES | O=S(=O)(O)CCN1CCOCC1 |
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| Storage condition | Store at RT. |
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| Stability | Stable. Incompatible with strong oxidizing agents. |
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| Water Solubility | H2O: 0.5 M at 20 °C, clear |
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Toxicological Information
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 DATAACUTE 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)
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Safety Information
| Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
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| Hazard Codes | Xi: Irritant; |
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| Risk Phrases | 36/37/38 |
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| Safety Phrases | S26-S36-S24/25-S22 |
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| RIDADR | NONH for all modes of transport |
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| WGK Germany | 1 |
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| RTECS | QE9104530 |
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| HS Code | 29349990 |
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Customs
| HS Code | 2934999090 |
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| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| MES HYDRAT |
| 2-Morpholinoethanesulfonic acid |
| MES ANHYDROUS |
| 2-(morpholin-4-yl)ethanesulfonic acid |
| MES,ULTRAPURE |
| mes solution |
| 2-(N-Morpholino)ethanesulfonic acid |
| MOPS solution |
| MFCD00006181 |
| morpholino ethane sulfonic acid |
| MES hydrate |
| 2-(N-Morpholino)ethanesulfonic acid (MES) |
| surfactant MES |
| 2-(4-Morpholinyl)ethanesulfonic acid |
| 2-(4-Morpholino)ethanesulfonic acid |
| MES |
| 4-Morpholineethanesulfonic acid |
| 2-(N-Morpholino)ethanesulfonic acid,4-Morpholineethanesulfonic acid |
| EINECS 224-632-3 |
