An AI chip isn't just bigger than an ordinary chip — it passes through more lithography, etch, clean, and polish cycles, each consuming ultra-high-purity photoresist, CMP slurry, electronic-grade HF, sulfuric acid, and PGMEA at parts-per-trillion purity. A fact-based map of why this supply chain is short, hard to switch suppliers on, and now visibly tightening.

Flammable

Harmful

Health Hazard

Warning

H226Flammable liquid and vapour

H336May cause drowsiness or dizziness

H320Causes eye irritation

H335May cause respiratory irritation

H360May damage fertility or the unborn child

Customs Tariff Classification

The international HS code for Propylene glycol methyl ether acetate (CAS 108-65-6) is 2915.39, 3707.10.

HS code (international, 6-digit)

2915.39, 3707.10

EU CN code (8-digit)

2915 39 00, 3707 10 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers

IUPAC Name

1-methoxypropan-2-yl acetate

InChIKey

LLHKCFNBLRBOGN-UHFFFAOYSA-N

SMILES

CC(COC)OC(=O)C

Synonyms (30)

1-METHOXY-2-PROPANOL ACETATE
1-Methoxy-2-acetoxypropane
1-Methoxy-2-propyl acetate
1-methoxypropan-2-yl acetate
2-(1-Methoxy)propyl acetate
2-Acetoxy-1-methoxypropane
2-Propanol, acetate
Arcosolv PMA
Dowanol PMA
Ektasolve PM Acetate
METHOXYISOPROPYL ACETATE
PGMEA cpd
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Propylene glycol methyl ether acetate

Related Compounds

Related Reading

Safety Reference

Customs Tariff Classification