perfluorooctane sulfonic acid (CAS 2795-39-3) — Safety Data Sheet

Regulatory paperwork for CAS 2795-39-3 (perfluorooctane sulfonic acid), written against REACH Annex II and the harmonised classification in force. MolGod issues the documentation and does not supply chemicals.

perfluorooctane sulfonic acid (CAS 2795-39-3) at a glance

• Substance – perfluorooctane sulfonic acid
• CAS number – 2795-39-3
• CLP Annex VI index number – 607-[CAS?]
• Also known as – heptadecafluorooctane-1-sulfonic acid
• Hazard statements – H351 (suspected of causing cancer); H360D (may damage the unborn child); H362 (may cause harm to breast-fed children); H332 (harmful if inhaled); H302 (harmful if swallowed); H372 (causes damage to organs through prolonged or repeated exposure)
• Hazard classes – Carc. 2, Repr. 1B, Lact., Acute Tox. 4 *, Acute Tox. 4 *, STOT RE 1
• CMR classification – yes, classified as carcinogenic, mutagenic or toxic for reproduction
• Documentation issued – safety data sheet in REACH Annex II structure; working draft or signed card
• What is supplied – a document. MolGod.org does not sell, supply or ship chemical substances.

What do customs check when importing perfluorooctane sulfonic acid?

When a consignment of perfluorooctane sulfonic acid is stopped at the border, the document examined first is rarely the invoice. It is section 14 of the safety data sheet and its agreement with the transport papers. A missing packing group, an absent UN number or a proper shipping name that contradicts the classification of CAS 2795-39-3 will hold the pallet regardless of how complete the remaining fifteen sections are.

Protective equipment and exposure controls

Personal protective equipment for CAS 2795-39-3 is prescribed in section 8, alongside engineering controls that come first in the hierarchy. A sheet naming protective equipment without naming ventilation requirements has skipped the more important half.

Who is responsible for REACH compliance for perfluorooctane sulfonic acid?

The responsibility for documentation accompanying perfluorooctane sulfonic acid rests with the entity introducing it into the Union market, rather than with any external supplier. Importers share the same obligations as manufacturers, including designating a identifiable EU contact in section 1. A non-EU supplier may appoint a sole representative, but this appointment must be established prior to the movement of goods, not in response to subsequent inquiries.

Storage and handling in the document

Section 7 of the documentation for perfluorooctane sulfonic acid outlines handling and storage procedures, including incompatible materials, conditions to be avoided, and any segregation requirements arising from its classification. Laboratories reviewing this section require explicit instructions rather than general warnings; for instance, a statement such as ‘store in a cool dry place’ is insufficient, as it leaves the responsibility of defining specific storage conditions to the personnel.

Why a correct sheet stops being correct

Classification under CLP moves with each Adaptation to Technical Progress. A sheet for CAS 2795-39-3 written before the amendment that touched its entry keeps stating a classification the register no longer holds. Nothing in the document announces this — it reads exactly as it did on the day it was issued, which is precisely why revision dates are checked before content.

What is the CLP classification of perfluorooctane sulfonic acid?

The harmonised classification for CAS 2795-39-3 carries 7 hazard statements: H351, H360D, H362, H332, H302, H372, H411. In plain terms this means suspected of causing cancer; may damage the unborn child; may cause harm to breast-fed children; harmful if inhaled. A harmonised entry is binding across the Union — an importer may not soften it, and a self-classification that diverges from it will not survive an enforcement check.

Stability, reactivity and incompatibilities

Section 10 records stability and reactivity for perfluorooctane sulfonic acid: conditions to avoid, incompatible materials, and hazardous decomposition products. This is the section a laboratory consults before placing two substances on the same shelf.

How is perfluorooctane sulfonic acid classified for road, sea and air transport?

Section 14 for CAS 2795-39-3 includes the UN number, correct shipping name, class, packing group, and environmental hazard where applicable. If the substance is not hazardous for transportation, Section 14 explicitly states this rather than being left empty; an empty Section 14 is interpreted as an omission rather than a lack of hazard.

Where is regulatory status recorded for perfluorooctane sulfonic acid?

Whether CAS 2795-39-3 carries obligations beyond classification — candidate list entry, authorisation, restriction — belongs in section 15. Customers increasingly request a written statement on this point before placing an order, and the sheet is the natural place for it.

In which language must the SDS for perfluorooctane sulfonic acid be supplied?

Documentation for perfluorooctane sulfonic acid travels only as far as its language permits. Translation here is not editorial work: hazard statements have fixed official wording in each language, and paraphrasing them — however accurately — produces a sheet that no longer matches the register. The phrasing is prescribed, and it has to be reproduced, not rendered.

Purity, certificates and what the sheet does not say

A laboratory receiving perfluorooctane sulfonic acid from its supplier holds two documents that must agree with each other: the safety data sheet for the substance and the certificate for the batch in hand. Where identity or supplier details diverge between them, both become questionable. MolGod prepares and audits those documents; the material itself comes from your supplier.

Is perfluorooctane sulfonic acid classified as a CMR substance?

CAS 2795-39-3 is classified as a CMR substance (H360D). That status changes the obligations attached to every shipment: workplace exposure documentation, restrictions on supply to the general public, and substitution pressure from downstream users who must justify continued use. A safety data sheet for a CMR substance is read more closely than any other, because the classification itself invites scrutiny.

Documentation demand on the EU market

CAS 2795-39-3 has a recorded presence on the European trading market, which means documentation for it is requested routinely rather than exceptionally. Substances that move in commerce attract repeat scrutiny: the same sheet is read by successive customers, carriers and authorities, and a defect that survives the first reading rarely survives the tenth.

Identifiers that must agree

CAS 2795-39-3 and index number 607-[CAS?] are not interchangeable and not decorative. The index number ties the entry to the harmonised classification; the CAS number ties it to the chemical literature. A file carrying one without the other forces every reader to reconstruct the link, and reconstruction is where errors enter.

How do I check if my SDS for perfluorooctane sulfonic acid is still valid?

If a document concerning perfluorooctane sulfonic acid is already in circulation, the initial consideration should be whether it is incorrect rather than whether to replace it, and if incorrect, in which specific sections. Errors tend to recur across a range of documents; therefore, examining three documents often provides insights that would otherwise require reviewing three hundred.

Target organ toxicity in the sheet

Specific target organ toxicity (H372) obliges the sheet to state the route of exposure and, where established, the organ affected. This is one of the few places where a generic phrase is treated as a defect rather than as caution: an unspecified organ leaves the downstream user unable to build an exposure scenario.

Accidental release and containment

Section 6 addresses the accidental release of perfluorooctane sulfonic acid, outlining personal precautions, environmental precautions, and containment methods. When the classification indicates an aquatic hazard, the environmental precautions section transitions from a mere formality to a critical instruction that must be rigorously followed.

What must the label for perfluorooctane sulfonic acid contain?

The supply label for perfluorooctane sulfonic acid is generated from the same classification that drives the safety data sheet: pictograms selected by precedence, one signal word derived from the highest hazard class present, and the hazard statements H351, H360D, H362… reproduced in full. Where the container is too small to carry the complete set at a legible size, there are lawful ways to handle it and unlawful ones that look identical to a non-specialist.

Questions about documentation for perfluorooctane sulfonic acid

Is perfluorooctane sulfonic acid a CMR substance?

Yes. The harmonised classification places it among substances classified as carcinogenic, mutagenic or toxic for reproduction, which changes workplace documentation and supply restrictions.

What hazard statements apply to CAS 2795-39-3?

The harmonised entry lists H351, H360D, H362, H332. These are binding across the Union and may not be softened by a self-classification.

In which language must the sheet be supplied?

In an official language of each Member State where perfluorooctane sulfonic acid is placed on the market, unless that State has stated otherwise.

Can I check whether my existing sheet is still valid?

Yes. A section-by-section reading against Annex II and the current harmonised entry establishes that in one pass, and a sheet that passes is reported as passing.

MolGod.org issues documentation and does not sell, supply or ship chemical substances. CAS 2795-39-3 identifies the subject of this document.