美国 · 品目· 10 个子目· 25 个税号
2912醛、醛的环状聚合物；多聚甲醛
Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde
子目（6 位 WCO 统一）
美国税号（10 位）
本品目下 美国海关的全部细分税号与首要税率
| HS 编码 | 商品描述 | 首要税率 |
|---|---|---|
| 2912.11.00.00 | Methanal (Formaldehyde) | 2.8% |
| 2912.12.00.00 | Ethanal (Acetaldehyde) | 5.5% |
| 2912.19.10.00 | Citral | 5.5% |
| 2912.19.20.00 | Other | 4.8% |
| 2912.19.25.00 | Butanal (Butyraldehyde, normal isomer) | 5.5% |
| 2912.19.30.00 | Glyoxal | 3.7% |
| 2912.19.40.00 | Isobutanal | 5.5% |
| 2912.19.50.00 | Other | 5.5% |
| 2912.21.00.00 | Benzaldehyde | 5.5% |
| 2912.29.10.00 | Phenylacetaldehyde | 5.5% |
| 2912.29.30.00 | 3,4-Dimethylbenzaldehyde; Paraldehyde, USP grade; andp-Tolualdehyde | Free |
| 2912.29.60 | Other | 5.5% |
| 2912.29.60.10 | Odoriferous or flavoring compounds | 5.5% |
| 2912.29.60.90 | Other | 5.5% |
| 2912.41.00.00 | Vanillin (4-Hydroxy-3-methoxybenzaldehyde) | 5.5% |
| 2912.42.00.00 | Ethylvanillin (3-Ethoxy-4-hydroxybenzaldehyde) | 5.5% |
| 2912.49.10.00 | p-Anisaldehyde | 5.5% |
| 2912.49.15.00 | p-Hydroxybenzaldehyde | Free |
| 2912.49.26.00 | Other | 5.5% |
| 2912.49.55.00 | Hydroxycitronellal | 4.8% |
| 2912.49.60.00 | Other | 5.1% |
| 2912.49.90.00 | Other | 4.8% |
| 2912.50.10.00 | Metaldehyde | Free |
| 2912.50.50.00 | Other | 5.5% |
| 2912.60.00.00 | Paraformaldehyde | 5.1% |