FAQ Header

What are the key physicochemical specifications — density, refractive index, acid value, and ester value?

Density 0.950–1.020 (20°C), refractive index 1.470–1.500 (20°C), and, per the mandatory Chinese food standard GB 1886.265-2016, acid value ≤90 mg KOH/g and ester value ≥30 mg KOH/g.

Specifications

ParameterValue
Relative density (20°C)0.950–1.020
Refractive index (20°C)1.470–1.500
Acid value (GB 1886.265-2016)≤ 90 mg KOH/g
Ester value (GB 1886.265-2016)≥ 30 mg KOH/g
Heavy metals (Pb)≤ 10 mg/kg
Total arsenic (As)≤ 3.0 mg/kg
Shelf life36 months
  • Reference GC-MS data: refractive index 1.48584, specific gravity 0.93169 at 20°C, optical rotation +1.60
  • Testing follows GB/T 14454.2 (odor evaluation), GB/T 14455.5 (acid value), GB/T 14455.6 (ester value), GB 5009.74 (lead), and GB 5009.11/76 (arsenic)
  • Every batch COA lists these parameters with actual measured values

Send us your required specification sheet and we will confirm full compliance batch by batch.

ผลิตภัณฑ์ที่เกี่ยวข้อง

บทความนี้เผยแพร่เมื่อ 2026-09-07 และอัปเดตล่าสุดเมื่อ 2026-09-07 โดยจะมีการปรับปรุงเนื้อหาอย่างต่อเนื่อง

Logo

Guilin Four Seasons Sunshine

Founded in 2006, Guilin Four Seasons Sunshine F&F Co., Ltd. is a natural plant extract manufacturer and OEM/ODM partner in Guilin, China, combining proprietary Living-Fragrance physical extraction with supercritical fluid extraction to deliver pure, traceable botanical ingredients to global food, flavor, fragrance and personal care brands.