Hydroxysuccinimidyl C21-22 Isoalkyl Acidate

INCI: HYDROXYSUCCINIMIDYL C21-22 ISOALKYL ACIDATE

CAS Number
Not assigned [^1_1]
Function
Cleansing, hair conditioning, hair fixing
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” not listed as prohibited or restricted under 21 CFR Parts 250/700; no CIR monograph available

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Novel ingredient with no CAS number, no CIR or SCCS opinion, and no published dermal LD50 or NOAEL. A CPSR assessor would require supplier-provided tox data (Ames, skin irritation, sensitization, dermal penetration) to complete the assessment.

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Concern Level: Moderate

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Hydroxysuccinimidyl C21-22 Isoalkyl Acidate safe in cosmetics?

Novel ingredient with no CAS number, no CIR or SCCS opinion, and no published dermal LD50 or NOAEL. A CPSR assessor would require supplier-provided tox data (Ames, skin irritation, sensitization, dermal penetration) to complete the assessment. The EU classifies Hydroxysuccinimidyl C21-22 Isoalkyl Acidate as "permitted". Safety rating: MODERATE.

Is Hydroxysuccinimidyl C21-22 Isoalkyl Acidate allowed in the EU?

Hydroxysuccinimidyl C21-22 Isoalkyl Acidate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Hydroxysuccinimidyl C21-22 Isoalkyl Acidate do in cosmetics?

Hydroxysuccinimidyl C21-22 Isoalkyl Acidate functions as: Cleansing, hair conditioning, hair fixing. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned [^1_1].

What is the Margin of Safety for Hydroxysuccinimidyl C21-22 Isoalkyl Acidate?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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