At a glance
Based on the row for technical grade, 20 °C.
- Rated A, very good resistance
- PTFE, PVDF, SS 316, SS 304, FEP, Acetal (POM) (6)
- Rated B, good resistance
- LDPE (1)
- Rated C, limited resistance
- HDPE, Polycarbonate (2)
- Rated D, not resistant
- PP, PVC Rigid, EPDM, Viton (FPM), NBR, Aluminium, Nylon (PA), PVC Flexible, Polystyrene, Polysulfone, SAN (11)
- No data in the source
- ECTFE/ETFE, Silicone, PETG, PMP
- Risk of pitting or stress-corrosion cracking
- SS 316, SS 304
Based on the row for technical grade, 20 °C.
Rating profile by material family
Effect of temperature, 20 °C to 50 °C
No material with a rating at both temperatures changes grade between 20 °C and 50 °C.
Substance
- CAS number
- 74-87-3
- Formula
- CH3Cl
- Hazard symbols in the source
- F+ (extremely flammable), T (toxic) (pre-GHS European symbols; check the current safety data sheet)
- Flammable
- yes
- Concentrations listed
- technical grade
- Also listed as
- Chloromethyl; Methylchloride
- Name in the source (German)
- Chlormethan
Resistance table: Chloromethane (Methyl Chloride), technical grade
| Material | 20 °C | 50 °C | Remark |
|---|---|---|---|
| Thermoplastics | |||
| HDPE | C | – | |
| LDPE | B | – | |
| PP | D | D | |
| PVC Rigid | D | D | |
| PVC Flexible | D | D | |
| Polystyrene | D | D | |
| SAN | D | D | |
| Polycarbonate | C* | – | |
| Acetal (POM) | A | – | |
| Nylon (PA) | D | D | |
| Polysulfone | D | D | |
| Fluoropolymers | |||
| PTFE | A | – | |
| FEP | A | – | |
| PVDF | A | A | |
| Elastomers | |||
| EPDM | D | D | |
| Viton (FPM) | D | D | |
| NBR | D | D | |
| Metals | |||
| SS 316 | A | A | pitting risk |
| SS 304 | A | A | pitting risk |
| Aluminium | D | D | |
* estimated rating, given in the source without a temperature
Not rated in the source, so not in the table: PMP, PETG, ECTFE/ETFE, Silicone
Rating scale
- A very good resistance
- B good resistance
- C limited resistance
- D not resistant
- – no data
- K no general statement possible
A rating marked * is an estimate in the source, not a test result. An estimate is given as one value without a temperature.
Frequently Asked Questions
Which materials resist Chloromethane (Methyl Chloride) at high concentrations?
The materials with an A rating (resistant) for Chloromethane (Methyl Chloride) at 20 °C are: PTFE, PVDF, SS 316, SS 304, FEP, Acetal (POM). These can generally be used in direct contact.
Which materials should be avoided with Chloromethane (Methyl Chloride)?
Materials rated D (not resistant) for Chloromethane (Methyl Chloride) are: PP, PVC Rigid, EPDM, Viton (FPM), NBR, Aluminium, Nylon (PA), PVC Flexible. These should not be used in contact with Chloromethane (Methyl Chloride).
Does temperature affect chemical resistance to Chloromethane (Methyl Chloride)?
For Chloromethane (Methyl Chloride), all tested materials maintain the same rating at both 20 °C and 50 °C.
Is PTFE safe for Chloromethane (Methyl Chloride)?
PTFE is rated A for Chloromethane (Methyl Chloride) at 20 °C. A rating of A means resistant, B means limited resistance, C means partly resistant, and D means not resistant.
About this data
The ratings come from the chemical resistance list published by Bürkle GmbH, which compiled them from raw-material manufacturers’ data. They describe laboratory tests on the raw material at 20 °C and 50 °C.
A finished part also sees pressure, mechanical stress, welds and mixtures that a laboratory test does not. Treat the rating as a first filter and test under your own conditions before relying on it.
Chemicals with a similar resistance profile
Same 20 °C rating on the share of materials shown.