L‑Cysteine HCl Monohydrate
Food/pharma • reducing agent • dough conditioner
FOB / CIF / EXW
Ports: Rotterdam / Antwerp
Lead time: 2–3 weeks
Payment: L/C · T/T
CAS
7048‑04‑6
Formula / MW
C₃H₇NO₂S·HCl·H₂O • 175.63 g/mol
Appearance
white crystalline powder
Solubility
freely soluble in water; slightly in ethanol
Specific rotation
[α]ᴅ²⁰ ≈ +6° (typ.)
Available in food and pharma grades. Fermentation (non‑animal)
origin available; keratin‑derived supply on request. Use as a
reducing agent to modify gluten and as a flavor precursor in
Maillard systems. Confirm regulatory status in your market.
| Parameter | Typical | Spec |
|---|---|---|
| Identification | meets | FCC/USP |
| Assay (dry basis) | 98.5–101.0% | ≥ 98.5% |
| Loss on drying | 8.5–12.0% | ≤ 12.0% |
| Specific rotation [α]ᴅ²⁰ | +5.5° to +8.9° | within range |
| pH (1% aq) | ~ 1.5–2.0 | — |
| Heavy metals (Pb) | ≤ 1–3 ppm | per standard |
| Residue on ignition | ≤ 0.1% | ≤ 0.2% |
| Appearance | white, free‑flowing | — |
| Parameter | Typical | Spec |
|---|---|---|
| Assay | ≥ 98.0% | ≥ 97.0% |
| Loss on drying | ≤ 12.0% | ≤ 13.0% |
| Specific rotation | +5.0° to +9.0° | within range |
| Heavy metals (Pb) | ≤ 5 ppm | ≤ 10 ppm |
| Use cases | technical processing, R&D | — |
| Item | Status | Notes |
|---|---|---|
| DG classification | Non‑DG solid (typical) | verify per route; avoid dust formation |
| Handling | standard hygiene | use clean, dry tools; minimize dust |
| Allergens | none added | source dependent; confirm origin (fermentation vs keratin) |
| GMO/Origin | on request | non‑animal fermentation available |
| PPE | gloves, goggles, coat | avoid inhalation/eye contact |
Regulatory status varies by country. For bakery and flavor uses, follow local additive frameworks and labeling rules. Always consult the SDS and provide your dossier requirements (FCC/USP, Halal/Kosher, GMO, allergens) in the RFQ.
| Applications | Packaging | Storage & Handling |
|---|---|---|
|
• Dough conditioner/reducing agent in bakery.
• Flavor precursor for savory/meat flavors (Maillard). • Pharma excipient/intermediate; cosmetics (perm lotions). |
• 25 kg inner‑lined bags or fiber drums.
• 1 kg foil pouches for R&D. • Custom packs available on request. |
• Store cool and dry; keep container tightly closed.
• Protect from humidity and odors; use clean utensils. • Shelf life depends on storage; follow COA. |
Specs are representative; shipped material conforms to the lot
COA. Share origin requirements (fermentation/keratin), certificate
needs (Halal/Kosher, GMO), and assay/rotation targets to match the
best grade.