MSDS for Silica Gel — How to Read and Customs-Ready Documentation

What Is an MSDS? Are MSDS and SDS the Same Thing?

An MSDS — Material Safety Data Sheet — is a technical document that provides safety information about a chemical substance or mixture. It describes composition, physical and chemical properties, health hazards, emergency response procedures, and transport requirements. This document is essential for warehouse staff, customs officers, importers, and emergency responders.

Historically, OSHA regulated MSDS under the HCS 1994 (Hazard Communication Standard). The 1994 format did not require a fixed number of sections, so each manufacturer could present information differently — creating confusion for customs officials comparing shipments from multiple suppliers.

In 2012, OSHA officially adopted the HCS 2012 — GHS alignment (Globally Harmonized System of Classification and Labelling of Chemicals). The document was renamed SDS (Safety Data Sheet) and mandated to contain exactly 16 sections in a fixed sequence as defined by UN GHS Revision 9 (2021). The term "MSDS" persists in trade communication by habit, but "SDS" is legally correct.

When a customer requests a "silica gel MSDS," the supplier must provide a GHS-compliant 16-section SDS. If the document you receive lacks numbered sections, it pre-dates GHS and will be rejected by EU and Japanese customs.

The 16 GHS SDS Sections Explained

GHS mandates exactly 16 sections with fixed names and numbers. The table below is a quick-reference guide for logistics and trade compliance teams:

#	Section Name	Key Content	Critical For
1	Identification	Product name, manufacturer, emergency contact, intended use	Goods identification
2	Hazard(s) identification	GHS classification, signal word, pictograms, hazard statements	Labels, customs
3	Composition / information on ingredients	Chemical identity, CAS number, concentration ranges	Testing, import declarations
4	First-aid measures	Response to inhalation, skin/eye contact, ingestion	Medical, fire brigade
5	Firefighting measures	Suitable extinguishing media, hazardous combustion products	Fire response
6	Accidental release measures	Spill containment, collection methods, ventilation	EHS, logistics
7	Handling and storage	Storage conditions, temperature, humidity, incompatibilities	Warehousing, transport
8	Exposure controls / personal protection	OEL/PEL values, PPE: respirator, gloves, goggles	Occupational health
9	Physical and chemical properties	Appearance, color, odor, pH, boiling point, solubility, vapor pressure	QC, lab
10	Stability and reactivity	Conditions to avoid, hazardous reactions, decomposition products	Safe storage
11	Toxicological information	LD50, NOAEL, skin/eye/respiratory effects, carcinogenicity	Occupational medicine, EU import
12	Ecological information	Ecotoxicity, persistence, bioaccumulation, soil mobility	REACH, environmental compliance
13	Disposal considerations	Disposal methods, local regulatory requirements	Environmental, waste management
14	Transport information	UN number, hazard class, packing group, IMDG, IATA, ADR	International transport, customs
15	Regulatory information	REACH, TSCA, national regulations, exposure limits	Legal compliance
16	Other information	Preparation date, SDS version, references	Audit, traceability

Note: Sections 12-15 carry an OSHA disclaimer stating they are "not required" under HCS 2012, but they are mandatory under EU REACH Regulation 1907/2006 and many Asian markets. Never omit these sections in export documentation.

Key Sections for Silica Gel

When reviewing an SDS from a silica gel supplier, focus on these four sections:

Section 2 — Hazard(s) Identification: Amorphous silica gel (SiO₂, amorphous) is not classified as a GHS hazard. A correct SDS should read "Not classified as hazardous" or use signal word "Warning" — never "Danger." If you see "Crystalline silica" or the OSHA skull-and-crossbones pictogram, that is a different substance entirely. Verify the CAS number in Section 3 before drawing any safety conclusions.

Section 4 — First-Aid Measures: Inhalation of silica gel dust may cause mild respiratory irritation — moving to fresh air is sufficient. Ingestion of small amounts is not harmful (note: this does not apply to indicator-grade beads containing cobalt chloride — check Section 3). The SDS should clearly state the CAS number to help customs distinguish amorphous from crystalline forms.

Section 8 — Exposure Controls / Personal Protection: The OEL (Occupational Exposure Limit) for amorphous silica in the US is 6 mg/m³ (OSHA PEL) and 3 mg/m³ (NIOSH REL). These values are important during HACCP or GMP factory audits covering the packaging line.

Section 14 — Transport Information: Amorphous silica gel is not a dangerous good. The SDS must state: UN number: "Not regulated," Hazard class: "Not regulated," Packing group: "Not applicable." If customs detains your shipment on suspicion of hazardous cargo, Section 14 is your legal evidence. See our certifications page for supporting ISO and HACCP documentation.

SDS Requirements for US, EU, and Japan Customs

Language and format requirements differ by market:

US Customs (CBP): SDS must be in English and comply with OSHA HCS 2012. If the goods are listed under TSCA Section 8(b), the US importer may need to file a CDX notification. Amorphous silica gel (CAS 7631-86-9) is not subject to special TSCA controls — a 16-section English SDS is sufficient.

EU Customs (REACH): Regulation EC/1907/2006 (REACH) and EC/2020/878 (SDS update) require the SDS to be in the language of the member state of import and must include a REACH registration number for substances exceeding 1 metric ton per year. Silica gel carries REACH registration (EC No. 231-545-4). Check Section 15 of the supplier SDS to confirm this number is present.

Japan Customs (MHLW): Japan's Industrial Safety and Health Act (ISHA) requires a Japanese-language SDS for chemical goods sold on the Japanese market. Japanese importers typically translate the supplier's English SDS. Exporters only need to provide a complete 16-section English SDS with full CAS numbers and Section 11 toxicology data for accurate translation.

Download the CEMACO Sai Gon silica gel SDS (English and Vietnamese) at: MSDS silica gel 2025 download. The file includes all 16 GHS sections, CAS 7631-86-9, REACH EC No., and UN transport information for IMDG and IATA.

Common Mistakes When Reading a Silica Gel MSDS

Confusing silica gel with crystalline silica (quartz): This is the most frequent error. Crystalline silica (quartz, CAS 14808-60-7) causes silicosis and is classified as a Group 1 carcinogen by IARC. Commercial silica gel is amorphous silica (CAS 7631-86-9) — not a known carcinogen. The two differ entirely in crystal structure and toxicity. Always check the CAS number in Section 3 before drawing conclusions. See also our article on silica gel toxicity for a detailed breakdown.

Skipping Section 14 when preparing customs paperwork: Some trade compliance staff read only Sections 1-2 to confirm the product name and skip Section 14. The result is a customs declaration missing the UN number entry (even when the entry is "Not regulated"), prompting customs to request supplementary documentation and causing 2-5 days of delay.

Using a pre-2012 SDS: Legacy MSDS documents may lack numbered sections or use non-GHS formats. EU and Japanese customs reject non-GHS SDS. Always verify Section 16 for the preparation date — a good SDS should be updated every 3-5 years or whenever the formulation changes. CEMACO Sai Gon updates its SDS with each formulation change and with each new GHS revision.

Using the raw material supplier's SDS for a finished product: If you purchase raw silica gel and repackage it, the SDS must be issued by the finished goods manufacturer — not the raw material supplier. Some customs authorities require that the SDS company name and address match the exporter of record exactly.

To order silica gel with a complete SDS package, contact CEMACO Sai Gon sales or submit an inquiry at: request a quote with SDS.

Frequently Asked Questions

Are MSDS and SDS the same document?

Yes — they are the same document with different names. MSDS (Material Safety Data Sheet) is the pre-2012 term; SDS (Safety Data Sheet) is the official GHS term adopted by OSHA in 2012. Both names are accepted in trade communication, but the document must contain exactly 16 GHS sections to be compliant.

Does GHS require exactly 16 sections?

Yes. GHS mandates exactly 16 sections, numbered 1 through 16, with fixed section names that cannot be altered. Any SDS adding a Section 17 or renaming sections is non-compliant. Section numbering and naming follow UN GHS Revised Edition 9 (2021).

Does silica gel need an MSDS for export?

Yes. Although silica gel is not a dangerous good, most international customs authorities require an SDS to verify composition and safety classification. Missing SDS documentation can result in cargo holds, especially at US and EU ports of entry. CEMACO Sai Gon provides English and Vietnamese SDS free of charge with every order.

Can I translate the MSDS into another language myself?

Technically yes — but caution is required. The translator must understand specialty chemical terminology to avoid misrepresenting meaning, particularly in Section 11 (toxicology) and Section 14 (transport). Japanese importers routinely translate English SDS from their suppliers. Best practice: engage a translation firm with chemical expertise, or request the manufacturer to supply an SDS in the required language.

Where can I download the CEMACO Sai Gon MSDS?

Download free at our technical documents page. PDF files are available in English and Vietnamese, with all 16 GHS sections, CAS 7631-86-9, and REACH EC No. 231-545-4. If you need a company-stamped copy or a product-specific SDS (by packet weight or packaging type), call our hotline at +84 983 929 232.

Read more — flagship article: Desiccant MSDS Handbook — Safety Documentation for US, EU & Japan Markets — full CAS/EC/UN numbers for silica gel + clay + CaCl₂, OSHA/REACH/JIS Z 7253 standards, and the 5 most common customs MSDS errors.