Procurement Report: Benzaldehyde (CAS 100-52-7)

1. Technical Specifications and Performance Metrics

Benzaldehyde (C₇H₆O) is the simplest aromatic aldehyde, characterized by its distinct almond-like odor and high reactivity. For procurement purposes, the primary focus must be on assay purity and impurity control to ensure stability in final flavor and fragrance formulations.

• Assay Purity: Target a minimum assay of ≥99.0% for standard industrial applications. For high-end flavor applications, ≥98.0% (FCC grade) is the baseline, with Tier-1 suppliers often guaranteeing ≥99.5%.
• Impurity Profile: Strict limits are required for benzoic acid (oxidation product) and benzyl alcohol. Typical B2B specifications limit benzoic acid to <0.1% and benzyl alcohol to <0.2%. High-purity grades may require these to be undetectable (<0.05%).
• Physical Properties:
  • Molecular Weight: 106.12 g/mol
  • Boiling Point: 178–179 °C
  • Density: 1.04–1.05 g/cm³ at 20 °C
  • Refractive Index: 1.545–1.548
• Performance Metrics: The compound exhibits high stability under normal storage but is susceptible to photo-oxidation. Performance is validated by its ability to maintain olfactory intensity without off-notes in acidic or neutral pH environments.

Procurement Recommendation: When issuing a Request for Quotation (RFQ), explicitly mandate a Certificate of Analysis (CoA) that includes gas chromatography (GC) data for the specific impurity profile. Do not accept generic purity claims; require specific limits for benzoic acid and benzyl alcohol to prevent formulation degradation.

2. Industry Compliance and Quality Assurance

Benzaldehyde is a globally regulated substance used in food, cosmetics, and industrial applications. Compliance is non-negotiable for market access.

• Regulatory Status:
  • CAS Number: 100-52-7
  • EINECS/REACH: 202-860-4 (EU Pre-Registration)
  • FDA: Listed under 21 CFR with specific usage limits; UNII: TA269SD04T.
  • JECFA/EFSA: Acceptable Daily Intake (ADI) is established at 0–5 mg/kg body weight.
  • FEMA: Generally Recognized As Safe (GRAS) status.
• Quality Standards:
  • FCC (Food Chemicals Codex): Essential for food-grade applications.
  • Kosher/Halal: Required for specific demographic markets.
  • Natural vs. Synthetic: "Natural" benzaldehyde (often derived from bitter almonds or peach kernels) commands a premium but requires rigorous botanical sourcing verification.
• Safety Data: Must be accompanied by a current Safety Data Sheet (SDS) compliant with GHS standards.

Procurement Recommendation: Verify that the supplier holds valid FCC certification for food-grade purchases. For cosmetic applications, ensure the material meets ISO 9235 or equivalent fragrance industry standards. Always request a Declaration of Conformity (DoC) referencing the specific regulatory bodies (FDA, JECFA, EFSA) relevant to your target market.

3. Cost Efficiency and Integration Capabilities

Benzaldehyde is a commodity chemical with relatively stable pricing, though costs fluctuate based on feedstock (toluene oxidation vs. natural extraction) and logistics.

• MOQ (Minimum Order Quantity): Typical B2B ranges are 500 kg per shipment. Smaller quantities (e.g., 25–100 kg) may incur a 15–25% premium or be unavailable from Tier-1 bulk suppliers.
• Lead Time: Standard lead time is 2–6 weeks from order confirmation to delivery. Expedited shipping may be available for an additional cost but is subject to raw material availability.
• Packaging: Available in 25 kg drums, 200 kg drums, or ISO tanks for bulk logistics.
• Integration: The chemical is compatible with standard stainless steel and glass-lined storage tanks. It requires nitrogen blanketing to prevent oxidation during storage.

Procurement Recommendation: To optimize cost efficiency, consolidate orders to meet the 500 kg MOQ threshold to avoid premium pricing. Negotiate contracts that lock in pricing for 6–12 months to hedge against raw material volatility. Ensure your storage infrastructure includes nitrogen blanketing capabilities to maintain product integrity and reduce waste.

4. Typical Use Cases

Benzaldehyde is a cornerstone ingredient in the global flavor and fragrance industry due to its versatile olfactory profile.

• Food & Beverage: Primary flavoring agent for almond, cherry, and marzipan profiles. Used in bakery products, confectionery, and beverages.
• Fragrance: Key component in chypre, fougère, and floral compositions. Provides a "green" and "woody" nuance in perfumery.
• Industrial Synthesis: Used as a precursor for benzyl alcohol, benzyl esters, and cinnamaldehyde in the synthesis of dyes and pharmaceuticals.
• Solvent Applications: Occasionally used as a specialized solvent in organic synthesis due to its polarity and aromatic nature.

Procurement Recommendation: Align your procurement specification with the end-use. For food applications, strictly select FCC-grade material. For fragrance blending, Technical Grade (≥98%) is often sufficient unless the client requires "Natural" certification. Do not mix grades within a single production batch to avoid regulatory non-compliance.

5. Long-Term Planning Considerations

The market for benzaldehyde is mature but subject to shifts in consumer preference and regulatory landscapes.

• Market Trends: There is a growing demand for "Natural" benzaldehyde derived from botanical sources (e.g., apricot kernels) rather than petrochemical synthesis, driven by the "clean label" trend in food and cosmetics.
• Supply Chain Risks: Reliance on toluene oxidation (petrochemical route) exposes the supply chain to oil price volatility. Conversely, natural sources are subject to agricultural yield fluctuations.
• Regulatory Evolution: JECFA and EFSA reviews are ongoing. While current ADI is 0–5 mg/kg, future restrictions on aldehyde usage in specific categories (e.g., ready-to-eat foods) could alter demand volumes.
• Sustainability: Buyers are increasingly scrutinizing the carbon footprint of synthesis methods. Suppliers with green chemistry certifications or bio-based sourcing capabilities will become preferred partners.

Procurement Recommendation: Develop a dual-sourcing strategy: one supplier for petrochemical-grade (cost-effective, high volume) and one for natural-grade (premium, niche). Monitor JECFA and EFSA updates quarterly. Begin discussions with suppliers regarding their sustainability roadmaps to ensure long-term supply continuity.

6. Special Product Recommendations

Selecting the right grade depends on the specific application and regulatory constraints of the final product.

| Product Type | Best-Fit Buyer | Key Specs | Risk Check | Procurement Advice | | :--- | :--- | :--- | :--- :--- | | FCC Grade (Synthetic) | Food Manufacturers | ≥98% Assay, Benzoic Acid <0.1%, Kosher Certified | Low (Standard commodity) | Prioritize suppliers with FCC listing and 2–4 week lead times. | | Natural Benzaldehyde | Premium Fragrance/Flavor | ≥98% Assay, Botanical Source Verified, No Solvents | Medium (Supply volatility) | Verify botanical origin (e.g., bitter almond) and request COA for pesticide residues. | | Technical Grade | Industrial Synthesis | ≥99% Assay, Broad Impurity Profile | Low (Non-food) | Focus on price and bulk volume; FCC certification not required. | | High-Purity (≥99.5%) | Pharmaceutical/R&D | Ultra-low impurities, Specific GC Profile | Low | Require full analytical traceability and batch-specific CoA. |

Procurement Recommendation: For most flavor and fragrance applications, the FCC Grade (Synthetic) offers the best balance of cost, availability, and compliance. Reserve Natural Benzaldehyde for high-end products where "natural" labeling is a critical selling point. Avoid Technical Grade for any food-contact applications.

7. Frequently Asked Questions (FAQ)

Q1: What is the typical Minimum Order Quantity (MOQ) for benzaldehyde? A: The standard industry MOQ is 500 kg. Orders below this threshold may require a premium price or may only be available from specialized distributors rather than Tier-1 manufacturers.

Q2: How long does it take to receive a shipment after ordering? A: Typical lead times range from 2 to 6 weeks, depending on the supplier's current inventory levels and the specific grade (Natural vs. Synthetic) requested.

Q3: Is benzaldehyde considered a "natural" ingredient? A: It depends on the source. Synthetic benzaldehyde is derived from toluene oxidation. "Natural" benzaldehyde is extracted from plant sources like bitter almonds or peach kernels. Both are permitted under FDA and JECFA regulations, but labeling requirements differ.

Q4: What are the critical impurities to monitor in a CoA? A: The two most critical impurities are benzoic acid (resulting from oxidation) and benzyl alcohol. High levels of these can alter the flavor profile and shelf life of the final product.

Q5: What is the Acceptable Daily Intake (ADI) for benzaldehyde? A: According to JECFA (1997), the ADI is 0–5 mg/kg body weight. This is a key metric for food safety compliance.

Q6: Can benzaldehyde be stored in standard plastic containers? A: No. Benzaldehyde can permeate certain plastics and degrade them. It should be stored in stainless steel, glass, or specific high-density polyethylene (HDPE) containers lined with compatible materials, preferably under nitrogen blanketing.

Q7: What is the difference between FCC and Technical Grade? A: FCC (Food Chemicals Codex) grade meets strict purity and impurity standards for human consumption. Technical Grade is intended for industrial synthesis and may contain higher levels of impurities not suitable for food or direct cosmetic application.

Q8: Are there specific regulations for benzaldehyde in the EU? A: Yes, it is listed under ECHA EINECS (202-860-4) and must comply with REACH regulations. It is also subject to specific concentration limits in cosmetic products under the EU Cosmetics Regulation (EC) No 1223/2009.