d-Limonene
| Tham số | Thông số kỹ thuật |
|---|---|
| Tên sản phẩm | d-Limonene |
| Số CAS | 5989-27-5 |
| Công thức phân tử | C10H16 |
| Trọng lượng phân tử | 136.24 g/mol |
| Hình thức | Colorless to pale yellow clear liquid |
| Assay (GC) | ≥95% (typically 97%) |
| Độ hòa tan | Insoluble in water; miscible with ethanol, oils, hexane |
| Gói | 25 kg, 180 kg drums |
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Từ đồng nghĩa: (R)-(+)-Limonene, (R)-p-Mentha-1,8-diene, (+)-Limonene, (R)-1-Methyl-4-(1-methylethenyl)cyclohexene, (R)-4-Isopropenyl-1-methyl-1-cyclohexene, Citrus Terpene, d-Limonene
d-Limonene is a monocyclic monoterpene hydrocarbon and the major constituent of citrus peel oils, typically comprising 90–96% of cold-pressed orange oil. It occurs naturally in over 300 plants, with highest concentrations in the Rutaceae family, such as orange (Citrus sinensis), lemon (Citrus limon), grapefruit (Citrus paradisi), and mandarin (Citrus reticulata). In traditional practices, citrus peel oils have been used for their aromatic and preservative properties, and d-limonene itself has a long history as a flavor and fragrance ingredient.
Structurally, d-limonene is the (R)-(+)-enantiomer of limonene, a chiral cyclohexene derivative with an exocyclic double bond. Its distinctive citrus odor and high volatility make it a key component in flavor and fragrance formulations. The compound is chemically reactive, undergoing epoxidation, hydrogenation, and isomerization, which allows for the production of derivatives such as limonene oxide and p-cymene. Its lipophilic nature enables miscibility with nonpolar solvents and essential oils, while its low water solubility limits direct aqueous applications but makes it suitable for solvent-based systems.
Commercial d-Limonene is available in several grades, with purity typically ≥95% (GC) and often ≥97% for high-purity applications. It is widely used as a flavoring agent in foods and beverages, a fragrance in cosmetics and household products, and as a renewable solvent in industrial and electronics cleaning. In the pharmaceutical and nutraceutical sectors, d-limonene serves as a functional excipient, a penetration enhancer for transdermal formulations, and a research chemical for studying terpene metabolism. Its GRAS status (FDA 21 CFR 182.60) and favorable safety profile support its use in these applications.
| Test Item | Thông số kỹ thuật |
|---|---|
| Xác định | IR spectrum conforms to reference standard |
| Mất mát khi sấy khô | ≤0.5% |
| Hàm lượng tro sau khi đốt | ≤0.1% |
| Kim loại nặng | ≤10 ppm |
| Giới hạn vi sinh vật | Total aerobic microbial count ≤1000 cfu/g; yeast and mold ≤100 cfu/g; absence of E. coli and Salmonella |
| Organic Impurities | Total impurities ≤2.0% (GC) |
Our MOQ for d-Limonene is 25 kg, packaged in a single drum. For larger orders, we offer competitive pricing on 180 kg drums and full container loads.
For stock items, delivery is typically 3-5 business days from order confirmation. We maintain ample inventory to ensure prompt shipment.
Yes, we provide free samples (typically 100-200 g) for evaluation. A COA is available for each batch and can be requested at any time. Samples are usually dispatched within 1-2 days.
send us your specification for a quotation.
Room,5-0203, Unit 5, Beiyuanmen Street,Xi'an,Shaanxi,China
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