Microcrystalline Cellulose

Also known as: Sigmacell, α-Cellulose, beta-Amylose, Arbocell B 600/30, EINECS 232-674-9 (+9 more)

INCI: MICROCRYSTALLINE CELLULOSE

Microcrystalline Cellulose (CAS 9004-34-6) is a cosmetic cosmetic ingredient functioning as Abrasive, bulking agent, stabilizer, gentle exfoliant. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in pharmaceutical and food safety data.

View industrial chemical safety profile for CAS 9004-34-6 →

Function
Abrasive, bulking agent, stabilizer, gentle exfoliant
Editorial assessment
EXCELLENT
Preliminary editorial note — not a computed safety verdict.

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Not a synthetic polymer; not covered by Microbead-Free Waters Act; FDA permitted in various applications

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Microcrystalline Cellulose.

Calculate MoS for your specific formulation with the MoS Calculator.

EPA ToxValDB — Toxicity Values

5 toxicity values from EPA ToxValDB (aggregated from CCTE, HPV, ToxRefDB, IRIS, and other regulatory dossiers).

Endpoint Value Species Route Duration Source
LOEL =10 % diet Rat oral chronic ECOTOX
NOEL =10 % diet Rat oral chronic ECOTOX
LC50 >5.8 mg/L Rat inhalation - ChemIDplus
LD50 >2000 mg/kg Rabbit dermal - ChemIDplus
LD50 >5000 mg/kg Rat oral - ChemIDplus

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Abrasive Absorbent Adhesion/cohesion promoter Anti-adhesive/cohesive Anti-caking agent Anti-stain agent Binder Chemical reaction regulator Degradant/impurity Diluent
Regulatory List Membership (3)
IFRA Fragrance Transparency List EPA Safer Chemical Ingredients List (SCIL) FDA Indirect Food Contact Additives

Editorial summary

Preliminary editorial summary for Microcrystalline Cellulose — not a computed safety verdict. See the sourced toxicological data above.

Regulatory Flags

biodegradable microplastic-alternative natural-polymer reach-entry-78-exempt microplastic-free eco-preferred epa_safer_alternative ifra_fragrance jecfa_safe

Known Synonyms

Sigmacell α-Cellulose beta-Amylose Arbocell B 600/30 EINECS 232-674-9 Hydroxycellulose Spartose OM-22 Whatman CC-31 alpha-Cellulose UNII-OP1R32D61U UNII-SMD1X3XO9M UNII-I355QGZ19A Sentry aq mardel clout Cellulose - (C6H10O5)x

Chemical Function

Abrasive Absorbent Emulsifier Viscosity modifier Filler Stabilizing agent

Regulatory Lists

inert_ingredient; Pesticides inert_ingredient; non_food_use; Pesticides Indirect additives food contact (10/2018) Cleaning products and household care; Europe IFRA Transparency SCIL (9/2019) Cleaning products and household care - laundry and fabric treatment - laundry detergent; Europe Cleaning products and household care - dishwasher and dishes - automatic dishwashing detergent; Europe fracking; water Canada; pharmaceutical inert_ingredient; Pesticides

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical and food safety data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA count match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

Adverse Event Associations
1
View full pharmaceutical profile →
SOURCE EFSA / FDA GRAS food_additives

Food Safety Data

Same-CAS food additive or FDA GRAS records from the core public database.

Food Name
Microcrystalline cellulose
E Number
E460i
ADI
NOT SPECIFIED mg/kg bw
Food Category
emulsifier
View full food safety profile →

Frequently Asked Questions

Is Microcrystalline Cellulose safe in cosmetics?

Microcrystalline Cellulose has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.

Is Microcrystalline Cellulose allowed in the EU?

Microcrystalline Cellulose EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Microcrystalline Cellulose do in cosmetics?

Microcrystalline Cellulose functions as: Abrasive, bulking agent, stabilizer, gentle exfoliant. It is classified as a cosmetic ingredient in our database. CAS number: 9004-34-6.

Is Microcrystalline Cellulose used outside cosmetics?

Microcrystalline Cellulose also appears in pharmaceutical and food safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Is Microcrystalline Cellulose in Your Products?

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