Why does the windshield washer fluid SDS change with the brand?
The alcohol in the fluid decides much of Section 2. Prestone's All Season 3-1 sheet, prepared Jul 23, 2020, names methanol and lists a Category 3 flammable liquid, acute toxicity Category 3 and single-exposure organ toxicity Category 1, with a Danger signal word. Rain-X's washer fluid additive sheet, revised Feb 17, 2025, lists a Category 3 flammable liquid and eye irritation Category 2, also with Danger. A bottle of the same size in the same aisle can come with a different sheet.
The sheets below carry dates from Jul 23, 2020 to Feb 17, 2025.
Where are the official windshield washer fluid sheets?
| Sheet and maker | Number | Date on the sheet | Open |
|---|---|---|---|
| Prestone All Season 3-1 Windshield Washer FluidPrestone Products | SDS 757 | Jul 23, 2020 | Open SDS |
| Rain-X Windshield Washer Fluid AdditiveRain-X (ITW Global Brands) | RX11314 | Feb 17, 2025 | Open SDS |
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Prestone's sheet names methanol, which has its own chemical page: Methanol (CAS 67-56-1).
What should I read first on my sheet?
Look for methanol in Section 3, because the two sheets we read differ on it. Prestone's all-season fluid names methanol and lists a flammable liquid, acute toxicity and organ toxicity under Danger. Rain-X's additive lists a flammable liquid and eye irritation. A concentrate you dilute has its own sheet apart from a ready-to-use fluid, and Section 9 gives the flash point that the dispensing paragraph turns on.
What does your sheet set off under OSHA?
| If your sheet says | What follows | Paragraphs |
|---|---|---|
| Section 2 lists any classification | Written program with chemical list, training, sheet access, labels. | (29 CFR 1910.1200(c), (e)(1), (f)(6), (g)(8), (h)(1); 1926.59) |
| Section 2 lists a flammable liquid | Dispensing paragraph: Category 1 or 2, or Category 3 below 100 °F. | (29 CFR 1910.106(e)(6)(ii); 1926.152(e)(2)) |
| The product is a consumer product | Outside the standard at no more than consumer exposure. | (29 CFR 1910.1200(b)(6)(ix)) |
| Section 8 lists an OSHA exposure limit | The 1910.1000 tables, and Table 1 of 1926.55 in construction. | (29 CFR 1910.1000; 1926.55) |
More for windshield washer fluid
- Related products: Antifreeze, Denatured alcohol.
- Trades: Auto repair.
- Label: the secondary container label maker builds one from your sheet (29 CFR 1910.1200(f)(6)).
- Another product: SDS Lookup.